2010 Mitsubishi Endeavor LS

2010 ENGINE Engine Mechanical - Endeavor

2010 ENGINE

Engine Mechanical - Endeavor

GENERAL DESCRIPTION
The 6G75 (3.8 L) engine is a six-cylinder engine. The cylinder numbers are assigned as 1-3-5 for the right bank
and 2-4-6 for the left bank from the front of the engine (timing belt side). This engine is fired in the order of 1-
2-3-4-5-6 cylinders.

ITEM SPECIFICATION
ITEM SPECIFICATION
Type V type, overhead camshaft
Number of cylinders 6
Bore mm (in) 95.0 (3.74)
Stroke mm (in) 90.0 (3.54)
Total displacement cm3 (cu. in) 3,828 (233.6)
Compression ratio 10.0
Firing order 1-2-3-4-5-6
Opens (BTDC) 5°
Intake valve
Closes (ABDC) 55°
Valve timing
Opens (BBDC) 51°
Exhaust valve
Closes (ATDC) 17°
Lubrication system Pressure feed, full-flow filtration
Oil pump type Trochoid type

DIAGNOSIS
TROUBLE SYMPTOM CHART
TROUBLE SYMPTOM PROBABLE CAUSE REMEDY
Blown cylinder head gasket Replace the gasket.
Worn or damaged piston rings Replace the rings.
Compression is too low Repair or replace the piston
Worn piston or cylinder
and/or the cylinder block.
Repair or replace the valve
Worn or damaged valve seat
and/or the seat ring.
Engine oil level is too low Check the engine oil level.
Replace the engine oil pressure
Malfunction of engine oil pressure switch
switch.
Drop in engine oil Clogged oil filter Install a new filter.
pressure
Replace the gears and/or the
Worn oil pump gears or cover
cover.
Change the engine oil to the

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Thin or diluted engine oil correct viscosity.

Stuck (opened) oil relief valve Repair the relief valve.
Excessive bearing clearance Replace the bearings.
Engine oil pressure too
Stuck (closed) oil relief valve Repair the relief valve.
high
Malfunction of lash adjuster (including entry
Check the lash adjuster.
of air into high pressure chamber)
Thin or diluted engine oil (low engine oil
Noisy valves Change the engine oil.
pressure)
Replace the valve and/or the
Worn or damaged valve stem or valve guide
guide.
Insufficient oil supply Check the engine oil level.
Connecting rod
Thin or diluted engine oil Change the engine oil.
noise/main bearing noise
Excessive bearing clearance Replace the bearings.

SPECIAL TOOLS
SPECIAL TOOLS REFERENCE
TOOL NUMBER AND
TOOL SUPERSESSION APPLICATION
NAME
MB992080
Belt tension meter set

A. MB992081
Tool not available Drive belt tension check
Belt tension meter

B. MB992082

Mic assembly

MB991958
Scan tool (M.U.T.-III
sub assembly)

A. MB991824

Vehicle
communication
interface (V.C.I.)

B. MB991827

M.U.T.-III USB
cable

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C. MB991910

M.U.T.-III main
harness A
(Vehicles with
CAN
communication
system)

D. MB991911

M.U.T.-III main
harness B CAUTION:
(Vehicles without For vehicles with CAN
CAN communication, use
communication M.U.T.-III main harness A
system) to send simulated vehicle
MB991824-KIT speed. If you connect
M.U.T.-III main harness B
E. MB991914 instead, the CAN
NOTE:
communication does not
M.U.T.-III main G: MB991826 M.U.T.- function correctly.
III Trigger Harness is
harness C (for
not necessary when
Chrysler models pushing V.C.I. Ignition timing check
only) ENTER key. Curb idle speed check
F. MB991825 Idle mixture check
Erasing the
M.U.T.-III adapter diagnostic trouble
harness code

G. MB991826

M.U.T.-III trigger
harness

MB992012
General service tool
Engine hanger plate A

Supporting the engine

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assembly

MB992013
General service tool
Engine hanger plate B

MB991454
MZ203827-01
Engine hanger balancer

MB991895
Tool not available
Engine hanger

When the engine hanger is

used: Supporting the engine
MB991928 assembly during removal
Engine hanger and installation of the
transaxle assembly
A. MB991929
NOTE:
Joint (50) x2
Special tool MB991454 is
a part of engine hanger
B. MB991930 attachment set MB991453.

Joint (90) x2

C. MB991931 Tool not available

Joint (140) x2

D. MB991932

Foot (standard) x4

E. MB991933

Foot (short) x2

F. MB991934

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Chain and hook

assembly

MB990767
Front hub and flange MB990767-01
yoke holder

Holding the camshaft

sprocket

MD998715
Crankshaft pulley holder MIT308239
pin

MD998713
Press-in of the camshaft oil
Camshaft oil seal MD998713-01
seal
installer

MB991559
Press-fitting the camshaft
Camshaft oil seal MB991559-01
oil seal (left bank side)
adapter installer

MD998443
Holding the auto-lash
Auto-lash adjuster MD998443-01
adjuster
holder

MD998772
General service tool Compressing valve spring
Valve spring compressor

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MB991999
- Valve stem seal installer
Valve stem seal installer

MD998717
Press-in of the crankshaft
Crankshaft front oil seal MD998717-01
front oil seal
installer

MD998781
General service tool Securing the drive plate
Flywheel stopper

MD998718
Press-fitting the crankshaft
Crankshaft rear oil seal MD998718-01
rear oil seal
installer

MD998051
MD998051-01 or Cylinder head bolt removal
Cylinder head bolt
General service tool and installation
wrench

MB991800
MB991800-01
Pulley holder
Holding the crankshaft
pulley

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MB991802
MB991802-01
Pin B

MD998767
Timing belt tension
Tension pulley socket MD998752-01
adjustment
wrench

Rotating the crankshaft

MD998769
General service tool when installing the timing
Crankshaft pulley spacer
belt

ON-VEHICLE SERVICE
DRIVE BELT (FOR GENERATOR, POWER STEERING OIL PUMP AND AIR CONDITIONING)
TENSION CHECK AND ADJUSTMENT

GENERATOR DRIVE BELT TENSION CHECK

CAUTION: When checking the drive belt tension, make sure that the engine is
cold.
Check the drive belt tension after turning the crankshaft clockwise
one turn or more.

<WHEN USING SPECIAL TOOL MB992080: RECOMMENDATION>

Required Special Tools:

MB992080: Belt tension meter set

MB992081: Belt tension meter
MB992082: Microphone assembly

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1. Connect the special tool MB992082 to the special tool MB992081 of the Special tool MB992080.
2. Press the "POWER" button to turn on the power supply.
3. Press the numeral key of "1" and check that "No. 1" appears on the upper left of the display and that the
following numeric values are displayed for individual items (M, W, and S):

M 000.9 g/m

W 010.0 mm/R

S 0100 mm

Fig. 1: Identifying Belt Tension Meter Set (MB992080)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

If numeric values have not been entered (new tool), set them according to the belt specifications as shown
below. Once you set them, you do not have to set them again. The settings remain undeleted even after
battery replacement.

NOTE: This operation is to temporarily set the preset data such as the belt
specifications, because if the measurement is taken without input of the
belt specifications, conversion to tension value (N) cannot be made,
resulting in judgement of error.

<Setting procedure>

1. Press down the "MASS" button till the belt mass select display appears.
2. Press the "UP" or "DOWN" button to select "01 1.5GT 0.9" and press the "MEASURE" button to
decide it. Check to ensure that "M 000.9 g/m" is displayed.
3. Press the "WIDTH" button to change to the belt width input display.
4. Press number keys 0, 1, 0, and 0 sequentially, and press the "SELECT" button to apply them.
Check to ensure that "W 010.0 mm/R" appears on the display.
5. Press the "SPAN" button to change to the span length input display.
6. Press number keys 0, 1, 0, and 0 sequentially, and press the "SELECT" button to apply them.
Check to ensure that "S 0100 mm" appears on the display.

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4. Press "Hz" button twice to change the display to the frequency display (Hz).

CAUTION: Do not allow any contaminants such as water or oil to get onto
the microphone.
If strong gusts of wind blow against the microphone or if there
are any loud sources of noise nearby, the values measured by
the microphone may not correspond to actual values.
If the microphone is touching the belt while the measurement is
being made, the values measured by the microphone may not
correspond to actual values.
Do not take the measurement while the vehicle's engine is
running.

5. Hold special tool MB992080 to the middle of the drive belt between the pulleys (at the place indicated by
arrow), approximately 10 - 15 mm (0.4 - 0.59 inch) away from the rear surface of the belt so that it is
perpendicular to the belt (within an angle of ± 15 degree).
6. Press the "MEASURE" button.
7. Gently tap the middle of the belt between the pulleys (the place indicated by the arrow) with your finger
as shown in the illustration, and measure that the vibration frequency of the belt is within the standard
value.

Standard value:

STANDARD VALUE SPECIFICATION

Part No. Vibration frequency Hz
MD368275 133 - 158
MN158101, MN187016 143 - 169

NOTE: Because the frequency depends on the belt material, confirm Part No.
shown on the reverse of the belt.

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Fig. 2: Holding Special Tool MB992080 To Middle Of Drive Belt Between Pulleys
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<WHEN USING THE TENSION GAUGE>

Use a belt tension gauge to check that the belt tension is within the standard value.

Standard value: 490 - 686 N (110 - 154 pounds)

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Fig. 3: Checking Belt Tension Within Standard Value

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<BELT DEFLECTION CHECK>

Apply approximately 100 N (22 pounds) of force to the middle of the drive belt between the pulleys (at the
place indicated by the arrow) and check that the amount of deflection in within the standard value.

Standard value: 8.4 - 10.7 mm (0.33 - 0.42 inch)

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Fig. 4: Checking Belt Deflection

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

GENERATOR DRIVE BELT TENSION ADJUSTMENT

If the vibration frequency, tension or deflection is outside the standard value, adjust by the following procedure.

1. Loosen the tensioner pulley fixing nut.

2. With the tensioner pulley fixing nut temporarily tightened to 15 ± 5 N.m (11 ± 4 ft-lb), set the belt tension
or defection amount to the standard value using the adjusting bolt.

Standard value:

ITEM SPECIFICATION
DURING DURING
ITEM
Part No. ADJUSTMENT REPLACEMENT
MD368275 140 - 152 168 - 188
Vibration frequency
Hz MN158101,
150 - 163 180 - 202
MN187016
Tension N (lb) 539 - 637 (121 - 143) 785 - 981 (176 - 221)
Deflection (Reference) mm (in) 8.9 - 10.1 (0.35 - 0.40) 6.2 - 7.5 (0.24 - 0.30)

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Fig. 5: Tightening Tension Pulley Fixing Nut

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Because the frequency depends on the belt material, confirm Part No.
shown on the reverse of the belt.

3. Tighten the tension pulley fixing nut.

Tightening torque: 49 ± 10 N.m (36 ± 7 ft-lb)

4. When the belt tension is adjusted by measuring the belt deflection, adjust it with a tool for vibration
frequency measurement or tension measurement afterward.

POWER STEERING DRIVE BELT TENSION CHECK

CAUTION: When checking the drive belt tension, make sure that the engine is
cold.
Check the drive belt tension after turning the crankshaft clockwise
one turn or more.

<WHEN THE VIBRATION FREQUENCY IS MEASURED: RECOMMENDATION>

Required Special Tools:

MB992080: Belt tension meter set

MB992081: Belt tension meter
MB992082: Microphone assembly

With your finger tip lightly tap the center of the drive belt between the pulleys in the location shown by the
arrow in the illustration and then measure the belt vibration frequency.

Standard value: 124 - 160 Hz

NOTE: Refer to generator drive belt tension check, for information regarding the
vibration frequency measurement method using special tool MB992080.

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Fig. 6: Checking Power Steering Drive Belt Tension

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<WHEN TENSION IS MEASURED>

Use a belt tension gauge to check that the belt tension is within the standard value.

Standard value: 294 - 490 N (66 - 110 pounds)

Fig. 7: Checking Belt Tension Within Standard Value

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<WHEN DEFLECTION IS MEASURED>

Apply approximately 100 N (22 pounds) of force to the middle of the drive belt between the pulleys (at the
place indicated by the arrow) and check that the amount of deflection is within the standard value.

Standard value: 12.3 - 16.2 mm (0.48 - 0.64 inch)

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Fig. 8: Checking Belt Deflection

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

POWER STEERING DRIVE BELT TENSION ADJUSTMENT

If the vibration frequency, tension or deflection is outside the standard value, adjust by the following procedure.

1. Loosen the tensioner pulley lock nut.

2. Adjust the belt tension to the standard value by turning the adjusting bolt. The tension will increase when
turning the adjusting bolt clockwise, and decrease when turning counterclockwise.

Standard value:

STANDARD VALUE SPECIFICATION

ITEM DURING ADJUSTMENT DURING REPLACEMENT
Vibration frequency Hz 134 - 151 160 - 189
Tension N (lb) 343 - 441 (77 - 99) 490 - 686 (110 - 154)
Deflection (Reference) mm (in) 13.2 - 15.1 (0.52 - 0.59) 9.6 - 12.3 (0.38 - 0.48)

Fig. 9: Loosening Tensioner Pulley Lock Nut

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. Tighten the lock nut to the specified torque.

Tightening torque: 49 ± 9 N.m (36 ± 7 ft-lb)

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4. Tighten the adjusting bolt.

Tightening torque: 5.0 ± 1.0 N.m (44 ± 9 in-lb)

CAUTION: Check after turning the crankshaft one or more rotations clockwise.

5. Check the belt vibration frequency, tension or deflection amount, and readjust if necessary.
6. When the belt tension is adjusted by measuring the belt deflection, adjust it with a tool for vibration
frequency measurement or tension measurement afterward.

IGNITION TIMING CHECK

Required Special Tool:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

MB991824: V.C.I.
MB991827: M.U.T.-III USB Cable
MB991910: M.U.T.-III Main Harness A

1. Before inspection, set the vehicle in the following condition:

Engine coolant temperature: 80 - 95°C (176 - 203°F)
Lights and all accessories: OFF
Transaxle: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. remain lit even when
the lighting switch is in "OFF" position but this is no problem for
checks.

CAUTION: To prevent damage to scan tool MB991958, always turn the

ignition switch to "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2. Connect scan tool MB991958 to the data link connector.

3. Set the timing light to the power supply line (terminal No. 3) of the ignition coil No. 4.

NOTE: The power supply line is looped and also longer than the other ones.

4. Start the engine and run it at idle.

5. Check that the idle speed is approximately 680 r/min.
6. Select scan tool MB991958 actuator test "item number 11".
7. Check that basic ignition timing is within the standard value.

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Standard value: 5° BTDC ± 3°

8. If the basic ignition timing is not within the standard value, check the following items:
Diagnostic output
Timing belt cover and crankshaft position sensor installation conditions
Crankshaft sensing blade condition

CAUTION: If the actuator test is not canceled, the forced drive will continue
for 27 minutes. Driving in this state could lead to engine failure.

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Fig. 10: Connecting Scan Tool To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

9. Cancel the setting mode of the scan tool MB991958.

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10. Check that the actual ignition timing is at the standard value.

Standard value: Approximately 10° BTDC

NOTE: Ignition timing fluctuates about ± 7°, even under normal operating
condition.

NOTE: It is automatically further advanced by about 5° from 10° Before Top Dead
Center at higher altitudes.

NOTE: Wait till approximately 1 minute passes after the engine started, and check
the ignition timing when the engine stabilized.

11. Remove the timing light.

12. Turn the ignition switch to the "LOCK" (OFF) position and then disconnect the scan tool MB991958
from the data link connector.

CURB IDLE SPEED CHECK

Required Special Tool:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

MB991824: V.C.I.
MB991827: M.U.T.-III USB Cable
MB991910: M.U.T.-III Main Harness A

1. Before inspection, set the vehicle in the following condition:

Engine coolant temperature: 80 - 95°C (176 - 203°F)
Lights, and all accessories: OFF
Transaxle: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. remain lit even when
the lighting switch is in "OFF" position but this is no problem for
checks.

CAUTION: To prevent damage to scan tool MB991958, always turn the

ignition switch to "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2. Connect scan tool MB991958 to the data link connector.

3. Set the timing light to the power supply line (terminal No. 3) of the ignition coil No. 4.

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NOTE: The power supply line is looped and also longer than the other ones.

4. Start the engine.

5. Run the engine at idle for 2 minutes.
6. Check the actual ignition timing.

Standard value: Approximately 10° BTDC

NOTE: Ignition timing fluctuates about ±7°, even under normal operating
condition.

NOTE: It is automatically further advanced by about 5° from 10° Before Top Dead
Center at higher altitudes.

NOTE: Wait till approximately 1 minute passes after the engine started, and check
the ignition timing when the engine stabilized.

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Fig. 11: Connecting Scan Tool To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

7. Check the idle speed. Select item number 2 and take a reading of the idle speed.

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Curb idle speed: 680 ± 100 r/min

NOTE: The idle speed is controlled automatically by the idle air control system.

8. If the idle speed is outside the standard value, refer to SYMPTOM CHART .
9. Remove the timing light.
10. Turn the ignition switch to the "LOCK" (OFF) position and then disconnect the scan tool MB991958
from data link connector.

IDLE MIXTURE CHECK

Required Special Tool:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

MB991824: V.C.I.
MB991827: M.U.T.-III USB Cable
MB991910: M.U.T.-III Main Harness A

1. Before inspection, set vehicle in the following condition:

Engine coolant temperature: 80 - 95°C (176 - 203°F)
Lights and all accessories: OFF
Transaxle: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. remain lit even when
the lighting switch is in "OFF" position but this is no problem for
checks.

CAUTION: To prevent damage to scan tool MB991958, always turn the

ignition switch to "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991958.

2. Connect scan tool MB991958 to the data link connector.

3. Set the timing light to the power supply line (terminal No. 3) of the ignition coil No. 4.

NOTE: The power supply line is looped and also longer than the other ones.

4. Start the engine and increase the engine speed to 2,500 r/min for 2 minutes.
5. Check that the actual ignition timing is within the standard value.

Standard value: Approximately 10°BTDC

NOTE: Ignition timing fluctuates about ± 7°, even under normal operating

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condition.

NOTE: It is automatically further advanced by about 5° from 10° Before Top Dead
Center at higher altitudes.

NOTE: Wait till approximately 1 minute passes after the engine started, and check
the ignition timing when the engine stabilized.

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Fig. 12: Connecting Scan Tool To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

6. Set the CO, HC tester.

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7. Check the CO contents and the HC contents at idle.

Standard value:

CO contents: 0.5 % or less

HC contents: 100 ppm or less

8. If the CO and HC contents do not remain inside the standard value, refer to SYMPTOM CHART .
9. Remove the CO, HC tester and timing light.
10. Turn the ignition switch to the "LOCK" (OFF) position and then disconnect the scan tool MB 991958
from the data link connector.

COMPRESSION PRESSURE CHECK

Required Special Tool:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

MB991824: V.C.I.
MB991827: M.U.T.-III USB Cable
MB991910: M.U.T.-III Main Harness A

1. Before inspection, check that the engine oil, starter and battery are normal. Also, set the vehicle in the
following condition:
Engine coolant temperature: 80 - 95°C (176 - 203°F)
Lights and all accessories: OFF
Transaxle: P range

NOTE: Vehicles for Canada, the headlight, taillight, etc. remain lit even when
the lighting switch is in "OFF" position but this is no problem for
checks.

2. Remove all of the ignition coils and spark plugs.

3. Disconnect the crankshaft position sensor connector.

NOTE: Doing this will prevent the engine control module from carrying out
ignition and fuel injection.

WARNING: Keep your distance from the spark plug hole when cranking. Oil,
fuel, etc., may spray out from the spark plug hole and may cause
serious injury.

4. Cover the spark plug hole with a shop towel etc., during cranking. After the engine has been cranked,

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check for foreign material adhering to the shop towel.

Fig. 13: Identifying Crankshaft Position Sensor Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. Set compression gauge to one of the spark plug holes.

6. Crank the engine and measure the compression pressure.

Standard value (at engine speed of 200 r/min): 1,548 kPa (225 psi)

Minimum limit (at engine speed of 200 r/min): 1,117 kPa (162 psi)

7. Measure the compression pressure for all the cylinders, and check that the pressure differences of the
cylinders are below the limit.

Limit: 98 kPa (14 psi)

Fig. 14: Installing Compression Gauge To Spark Plug Hole

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

8. If there is a cylinder with compression or a compression difference that is outside the limit, pour a small
amount of engine oil through the spark plug hole, and repeat the operations in steps 6 to 8.
1. If the compression increases after oil is added, the cause of the malfunction is a worn or damaged
piston ring and/or cylinder inner surface.

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2. If the compression does not rise after oil is added, the cause is a burnt or defective valve seat, or
pressure is leaking from the gasket.
9. Connect the crankshaft position sensor connector.
10. Install the spark plugs and ignition coils.
11. Use the scan tool MB991958 to erase the diagnostic trouble codes.

NOTE: This will erase the diagnostic trouble code resulting from the crankshaft
position sensor connector being disconnected.

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Fig. 15: Connecting Scan Tool To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

MANIFOLD VACUUM CHECK

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Required Special Tool:

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

MB991824: V.C.I.
MB991827: M.U.T.-III USB Cable
MB991910: M.U.T.-III Main Harness A

1. Before inspection, set the vehicle in the following condition:

Engine coolant temperature: 80 - 95°C (176 - 203°F)
Lights and all accessories: OFF
Transaxle: Neutral (P range on vehicles with A/T)

NOTE: On vehicles for Canada, the headlight, taillight, etc. remain lit even
when the lighting switch is in "OFF" position but this is no problem
for checks.

CAUTION: To prevent damage to scan tool MB991958, always turn the

ignition switch to the "LOCK" (OFF) position before connecting
or disconnecting scan tool MB991958.

2. Connect the scan tool MB991958 to the data link connector.

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Fig. 16: Connecting Scan Tool To Data Link Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. Disconnect the ventilation hose from the positive crankcase ventilation (PCV) valve, and then connect the

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vacuum gauge to the ventilation hose. Plug the PCV valve.

4. Start the engine and check that idle speed is approximately 680 r/min.
5. Check the intake manifold vacuum.

Limit: Minimum 60 kPa (18 in Hg)

6. Turn the ignition switch to the "LOCK" (OFF) position.

7. Remove the vacuum gauge and then connect the ventilation hose to the PCV valve.
8. Disconnect scan tool MB991958 from the data link connector.

Fig. 17: Checking Manifold Vacuum

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

LASH ADJUSTER CHECK

If an abnormal noise (chattering noise) suspected to be caused by malfunction of the lash adjuster is produced
immediately after starting the engine and does not disappear, perform the following check.

NOTE: Parking the vehicle on a grade for a long time may decrease oil in the lash
adjuster, causing air to enter the high pressure chamber when starting the
engine.

NOTE: After parking for many hours, oil may run out from the oil passage and take
time before oil is supplied to the lash adjuster, causing air to enter the high
pressure chamber.

NOTE: In the above cases, abnormal noise can be eliminated by bleeding the lash
adjuster system.

NOTE: An abnormal noise due to malfunction of the lash adjuster is produced

immediately after starting the engine and changes with the engine speed,
irrespective of the engine load.
If, the abnormal noise is not produced immediately after starting the engine or

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does not change with the engine speed, or it changes with the engine load, the
lash adjuster is not the cause for the abnormal noise.

NOTE: When the lash adjuster is malfunctioning, the abnormal noise is rarely
eliminated by continuing the warming-up of the engine at idle speed.
However, the abnormal noise may disappear only when seizure is caused by oil
sludge in the engine whose oil is not maintained properly.

1. Start the engine.

2. Check if the abnormal noise produced immediately after starting the engine, changes with the change in
the engine speed.

If the abnormal noise is not produced immediately after starting the engine or it does not change with the
engine speed, the lash adjuster is not the cause for the noise. Therefore, investigate other causes. The
abnormal noise is probably caused by some other parts than the engine proper if it does not change with
the engine speed. (In this case, the lash adjuster is in good condition.)

3. With the engine idling, change the engine load (shift from N to D range, for example) to make sure that
there is no change in the level of abnormal noise.

If there is a change in the level of abnormal noise, suspect a tapping noise due to worn crankshaft bearing
or connecting rod bearing (In this case, the lash adjuster is in good condition.).

4. After completion of warm-up, run the engine at idle to check for abnormal noise.

If the noise is reduced or disappears, clean the lash adjuster (Refer to INSPECTION ). As it is suspected
that the noise is due to seizure of the lash adjuster. If there is no change in the level of the abnormal noise,
proceed to step 5.

5. Run the engine to bleed the lash adjuster system (Refer to BLEEDING LASH ADJUSTER
SYSTEM .).
6. If the abnormal noise does not disappear after air bleeding operation, clean the lash adjuster (Refer to
INSPECTION ).

Bleeding lash adjuster system

1. Check engine oil and add or change oil if required.

NOTE: If the engine oil level is low, air is sucked from the oil screen, causing air
to enter the oil passage.

NOTE: If the engine oil level is higher than specification, oil may be stirred by the
crankshaft, causing oil to be mixed with a large quantity of air.

NOTE: If oil is deteriorated, air is not easily separated from oil, increasing the

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quantity of air contained in oil.

Fig. 18: Identifying Dipstick Oil Level

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 19: Identifying High Pressure Chamber

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: If air mixed with oil enters the high pressure chamber inside the lash
adjuster from the above causes, air in the high pressure chamber is
compressed excessively while the valve is opened, resulting in an
abnormal noise when the valve closes. This is the same phenomenon as
that observed when the valve clearance has become excessive. The lash
adjuster can resume normal function when air entered the lash adjuster is
removed.

2. Idle the engine for one to three minutes to warm it up.

3. Repeat the operation pattern, shown in left figure, at no load to check for abnormal noise. (Usually the
abnormal noise is eliminated after repetition of the operation 10 to 30 times. If, however, no change is
observed in the level of abnormal noise after repeating the operation more than 30 times, suspect that the
abnormal noise is due to some other factors.)
4. After elimination of abnormal noise, repeat the operation shown in left figure five more times.
5. Run the engine at idle for one to three minutes to make sure that the abnormal noise has been eliminated.

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Fig. 20: Identifying Air Bleeding Operation Pattern

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CYLINDER BLOCK HEATER UNIT CHECK

1. Remove the cylinder block heater cover. (Refer to CYLINDER BLOCK HEATER UNIT ).
2. Disconnect cylinder block heater unit connector, and measure the resistance at cylinder block heater unit.

Standard value: 19 - 30 ohms

3. If not within the standard value, replace the cylinder block heater unit. (Refer to CYLINDER BLOCK
HEATER UNIT ).

Fig. 21: Locating Cylinder Block Heater Unit Connector

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

ENGINE ASSEMBLY
REMOVAL AND INSTALLATION

CAUTION: When the engine assembly replacement is performed, use scan tool
MB991958 to initialize the learning value (Refer to INITIALIZATION
PROCEDURE FOR LEARNING VALUE IN MFI ENGINE ).
*: indicates parts which should be temporarily tightened, and then

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fully tightened with the engine weight applied on the vehicle body.

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Fig. 22: Identifying Engine Components With Torque Specifications (1 Of 2)

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Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 23: Identifying Engine Components With Torque Specifications (2 Of 2)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tools:

MB991454: Engine Hanger Balancer

MB991895: Engine Hanger
MB991928: Engine Hanger
MB992012: Engine Hanger Plate A
MB992013: Engine Hanger Plate B

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REMOVAL SERVICE POINTS

<<A>> FUEL MAIN PIPE DISCONNECTION

CAUTION: Do not bend the resin fuel high-pressure hose.

1. Remove the stopper.

Fig. 24: Removing Fuel High-Pressure Hose And Stopper

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Remove the fuel main pipe while the retainer is pulled up.

NOTE: If the retainer is removed, install it after removing the fuel main pipe.

Fig. 25: Removing Fuel Main Pipe

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<B>> RESERVOIR ASSEMBLY REMOVAL

1. Remove the reservoir assembly from the body with the hose attached.
2. Place the removed reservoir assembly in a place where it will not be a hindrance when removing and

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installing the engine assembly, and secure it with a cord or wire.

<<C>> A/C COMPRESSOR ASSEMBLY REMOVAL

1. Remove the compressor from the compressor bracket with the hose still attached.
2. Place the removed A/C compressor where it will not be a hindrance when removing and installing the
engine assembly, and secure it with a cord or wire.

<<D>> POWER STEERING OIL PUMP REMOVAL

1. Remove the power steering oil pump from the engine with the hose attached.
2. Place the removed power steering oil pump in a place where it will not be a hindrance when removing
and installing the engine assembly, and secure it with a cord or wire.

<<E>> ENGINE MOUNT REMOVAL

1. Support the engine with a garage jack.

2. <Engine hanger MB991895 is used>

Remove special tool MB991895.

Fig. 26: Supporting Engine Using Special Tool MB991895

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. <Engine hanger MB991928 is used>

Remove special tool MB991928.

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Fig. 27: Supporting Engine Using Special Tool MB991928

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Remove special tool MB991454 and hook it again as shown. Then, hold the engine assembly with the
chain block, etc.
5. Place a garage jack against the engine oil pan with a piece of wood in between so that the weight of the
engine assembly is no longer being applied to the engine mount.
6. Loosen the engine mount mounting nuts and bolts, and remove the engine mount.

Fig. 28: Hooking Engine

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<F>> ENGINE ASSEMBLY REMOVAL

After checking that all cables, hoses and wiring harness connectors and so on are disconnected from the engine,
lift the chain block slowly to remove the engine assembly upward from the engine compartment.

INSTALLATION SERVICE POINTS

>>A<< ENGINE ASSEMBLY INSTALLATION

Install the engine assembly, being careful not to pinch the cables, hoses or wiring harness connectors.

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Fig. 29: Hooking Engine

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< ENGINE MOUNT INSTALLATION

1. Place a garage jack against the engine oil pan with a piece of wood in between, and install the engine
mount while adjusting the position of the engine.
2. Support the engine assembly with a garage jack.
3. Remove the chain block.
4. <Engine hanger MB991895 is used>
1. Set special tool MB991895 to the front fender assembling bolts (A and B) and (C and D) as shown
in illustration.

Fig. 30: Identifying Front Fender Assembling Bolts A, B, C And D

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: Place a thick shop towel as shown so that special tool

MB991454 does not damage the front deck panel.

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Fig. 31: Placing Thick Shop Towel On Special Tool MB991454

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Remove special tool MB991454 and hook it again as shown. Then, set special tool MB991454 to
hold the engine assembly.

Fig. 32: Supporting Engine Using Special Tool MB991895

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. <Engine hanger MB991928 is used>

1. Assemble special tool MB991928 (Set following parts to the base hanger).
Slide bracket (HI)
Foot (standard) (MB991932)
Joint (90) (MB991930)

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Fig. 33: Assembling Special Tool MB991928

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

2. Set special tool MB991928 to the front fender assembling bolts (A and B) and (C and D) as shown.

Fig. 34: Identifying Front Fender Assembling Bolts A, B, C And D

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: Place a thick shop towel as shown so that special tool

MB991454 does not damage the front deck panel.

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Fig. 35: Placing Thick Shop Towel On Special Tool MB991454

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

3. Remove special tool MB991454 and hook it again as shown. Then, set special tool MB991454 to
hold the engine assembly.

NOTE: Adjust the engine hanger balance by sliding the slide bracket (HI).

Fig. 36: Supporting Engine Using Special Tool MB991928

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAMSHAFT OIL SEAL

REMOVAL AND INSTALLATION

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Fig. 37: Identifying Camshaft Oil Seal Components With Torque Specification
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tools:

MB990767: Front Hub and Flange Yoke Holder

MB991559: Camshaft Oil Seal Adapter Installer
MD998713: Camshaft Oil Seal Installer
MD998715: Crankshaft Pulley Holder Pin

REMOVAL SERVICE POINTS

<<A>> CAMSHAFT SPROCKET REMOVAL

Use special tools MD998715 and MB990767 to remove the camshaft sprocket.

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Fig. 38: Removing Camshaft Sprocket

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<B>> CAMSHAFT OIL SEAL REMOVAL

1. Make a notch in the oil seal lip section with a knife, etc.

CAUTION: Be careful not to damage the camshaft and the cylinder head.

2. Cover the end of a flat-tipped screwdriver with a shop towel and insert into the notched section of the oil
seal, and pry out the oil seal to remove it.

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Fig. 39: Removing Oil Seal

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< CAMSHAFT OIL SEAL INSTALLATION

1. Apply engine oil to the camshaft oil seal lip.

2. Use special tools MD998713 and MB991559 to press-fit the camshaft oil seal.

Fig. 40: Pressing-Fit Camshaft Oil Seal Using Special Tools MD998713 And MB991559 (Right
Bank)

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Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 41: Pressing-Fit Camshaft Oil Seal Using Special Tools MD998713 And MB991559 (Left Bank)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< CAMSHAFT SPROCKET INSTALLATION

1. Use special tools MD998715 and MB990767 in the same way as during removal to install the camshaft
sprocket.
2. Tighten the camshaft sprocket mounting bolt to the specified torque.

Tightening torque: 88 ± 10 N.m (65 ± 7 ft-lb)

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Fig. 42: Removing Camshaft Sprocket

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAMSHAFT AND VALVE STEM SEAL

REMOVAL AND INSTALLATION

CAUTION: *Remove and assemble the marked parts in each cylinder unit.

<LEFT BANK>

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Fig. 43: Identifying Camshaft And Valve Stem Seal Components With Torque Specifications (Left Bank)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tools:

MB990767: Front Hub and Flange Yoke Holder

MB991559: Camshaft Oil Seal Adapter Installer
MB991999: Valve Stem Seal Installer
MD998443: Auto-lash Adjuster Holder
MD998713: Camshaft Oil Seal Installer
MD998715: Crankshaft Pulley Holder Pin
MD998772: Valve Spring Compressor

<RIGHT BANK>

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Fig. 44: Identifying Camshaft And Valve Stem Seal Components With Torque Specifications (Right
Bank)

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 2010 Mitsubishi Endeavor LS
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Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tools:

MB990767: Front Hub and Flange Yoke Holder

MB991999: Valve Stem Seal Installer
MD998443: Auto-lash Adjuster Holder
MD998713: Camshaft Oil Seal Installer
MD998715: Crankshaft Pulley Holder Pin
MD998772: Valve Spring Compressor

REMOVAL SERVICE POINTS

<<A>> ROCKER ARM AND SHAFT ASSEMBLY REMOVAL

1. Install special tool MD998443 as shown in the illustration so that the lash adjusters will not fall out.

CAUTION: Never disassemble the rocker arm and shaft assembly.

2. Loosen the rocker arm and shaft assembly mounting bolt, and then remove the rocker arm and shaft
assembly with the bolt still attached.

Fig. 45: Installing Special Tool MD998443 To Lash Adjuster

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<B>> CAMSHAFT SPROCKET REMOVAL

Use special tools MD998715 and MB990767 to remove the camshaft sprocket.

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Fig. 46: Removing Camshaft Sprocket

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<C>> CAMSHAFT OIL SEAL REMOVAL

1. Make a notch in the oil seal lip section with a knife, etc.

CAUTION: Be careful not to damage the camshaft and the cylinder head.

2. Cover the end of a flat-tipped screwdriver with a shop towel and insert into the notched section of the oil
seal, and pry out the oil seal to remove it.

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Fig. 47: Removing Oil Seal

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<D>> VALVE SPRING RETAINER LOCK REMOVAL

CAUTION: When removing valve spring retainer locks, leave the piston of each
cylinder in the TDC (Top Dead Center) position. The valve may fall into the
cylinder if the piston is not properly in the TDC position.

Use special tool MD998772 to compress the valve spring, and remove the valve spring retainer locks.

Fig. 48: Compressing Valve Spring Right Bank

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Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 49: Compressing Valve Spring Left Bank

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

NOTE: Installation position of valve spring compressor special tool (MD998772) is

different between exhaust side and intake side.

Fig. 50: Installing Position Of Valve Spring Compressor Special Tool (MD998772)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< VALVE STEM SEAL INSTALLATION

1. Apply a small amount of engine oil to the valve stem seal.

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CAUTION: Valve stem seals cannot be reused.

Special tool MB991999 must be used to install the valve stem
seal. Improper installation could result in oil leaking past the
valve guide.

2. Use special tool MB991999 to fill a new valve stem seal in the valve guide using the valve stem area as a
guide.

Fig. 51: Identifying Valve Stem Seal, Valve Guide And Valve
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< VALVE SPRING INSTALLATION

Install the valve spring with its identification color painted end facing the locker arm.

Fig. 52: Installing Valve Spring

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>C<< VALVE SPRING RETAINER LOCK INSTALLATION

Use special tool MD998772 to compress the valve spring in the same manner as removal.

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Fig. 53: Compressing Valve Spring Right Bank

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 54: Compressing Valve Spring Left Bank

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>D<< ROCKER ARM AND SHAFT ASSEMBLY INSTALLATION

1. Install the rocker arm, shaft and lash adjuster assembly.

2. Tighten the mounting bolts to the specified torque.

Tightening torque: 31 ± 3 N.m (23 ± 2 ft-lb)

3. Remove special tool MD998443.

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Fig. 55: Installing Special Tool MD998443

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Check that notches in the each rocker shaft are facing the direction shown in the illustration.

Fig. 56: Checking Notches

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>E<< CAMSHAFT OIL SEAL INSTALLATION

1. Apply engine oil to the camshaft oil seal lip.

2. Use special tools MD998713 and MB991559 to press-fit the camshaft oil seal.

Fig. 57: Pressing-Fit Camshaft Oil Seal Using Special Tools MD998713 (Right Bank)

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Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig. 58: Pressing-Fit Camshaft Oil Seal Using Special Tools MD998713 (Left Bank)
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>F<< CAMSHAFT SPROCKET INSTALLATION

1. Use special tools MD998715 and MB990767 in the same way as during removal to install the camshaft
sprocket.
2. Tighten the camshaft sprocket mounting bolt to the specified torque.

Tightening torque: 88 ± 10 N.m (65 ± 7 ft-lb)

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Fig. 59: Removing Camshaft Sprocket

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>G<< CAMSHAFT POSITION SENSOR SUPPORT INSTALLATION

1. Remove old sealant from the camshaft position sensor support and cylinder head surfaces.
2. Apply sealant to the camshaft position sensor support flange in a continuous bead as shown in the
illustration.

Specified sealant: 3M™ AAD Part No. 8672, 3M™ AAD Part No. 8679/8678 or equivalent

NOTE: Install the camshaft position sensor support immediately after applying
sealant.

3. Install the camshaft position sensor support to the cylinder head.

CAUTION: After the installation, until a sufficient period of time (one hour or
more) elapses, do not apply the engine oil or water to the sealant
application area or start the engine.

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Fig. 60: Identifying Camshaft Position Sensor Support Flange Sealant Area
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Tighten the camshaft position sensor support mounting bolts to the specified torque.

Tightening torque: 14 ± 1 N.m (120 ± 13 in-lb)

OIL PAN AND OIL SCREEN

REMOVAL AND INSTALLATION

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Fig. 61: Identifying Oil Pan And Oil Screen Components With Torque Specifications
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

REMOVAL SERVICE POINTS

<<A>> ENGINE LOWER OIL PAN REMOVAL

1. Remove the engine lower oil pan mounting bolts.

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CAUTION: Do not use oil pan remover special tool (MD998727). The engine
upper oil pan is made of aluminum and this tool will damage it.

2. Apply a piece of wood to the lower oil pan and strike it with a hammer to remove the engine lower oil
pan.

Fig. 62: Removing Engine Lower Oil Pan

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<B>> TORQUE CONVERTER CONNECTING BOLTS REMOVAL

Remove the two torque converter connecting bolts as shown.

Fig. 63: Removing Torque Converter Connecting Bolt With Torque Specification
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<C>> ENGINE UPPER OIL PAN REMOVAL

1. Remove the engine upper oil pan mounting bolts.

CAUTION: Do not use oil pan remover special tool (MD998727). The engine
upper oil pan is made of aluminum and this tool will damage it.

2. Screw in the bolt (M10) into bolt hole A in the location shown. Then lift the upper oil pan and remove it.

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Fig. 64: Locating Bolt Hole

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< ENGINE UPPER OIL PAN INSTALLATION

1. Remove old sealant from the oil pan and cylinder block mating surfaces.
2. Degrease the sealant-coated surface and the engine mating surface.
3. Apply a bead of the sealant to the cylinder block mating surface of the engine oil pan as shown.

Specified sealant: 3M™ AAD Part No. 8672, 8704, 3M™ AAD Part No. 8679/8678 or equivalent

NOTE: Install the engine upper oil pan immediately after applying sealant.

4. Install the engine upper oil pan to the cylinder block.

CAUTION: The bolt holes for bolts 13 and 14 in the illustration are cut away
on the transaxle side. Be careful not to insert these bolts at an
angle.
After the installation, until a sufficient period of time (one hour
or more) elapses, do not apply the engine oil or water to the
sealant application area or start the engine.

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Fig. 65: Applying Bead Of Sealant To Cylinder Block Mating

Surface Of Engine Oil Pan
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. Tighten the bolts in order of the numbers shown in the illustration.

Fig. 66: Identifying Cylinder Block Bolts With Tighten Sequence

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< ENGINE LOWER OIL PAN INSTALLATION

1. Remove old sealant from the engine lower oil pan and engine upper oil pan.
2. Apply a bead of the sealant to the mating surface of the engine lower oil pan as shown.

Specified sealant: 3M™ AAD Part No. 8672, 8704, 3M™ AAD Part No. 8679/8678 or equivalent

NOTE: Install the engine lower oil pan immediately after applying sealant.

3. Install the engine lower oil pan to the engine upper oil pan.

CAUTION: After the installation, until a sufficient period of time (one hour or
more) elapses, do not apply the engine oil or water to the sealant
application area or start the engine.

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Fig. 67: Identifying Engine Lower Oil Pan Selant Applying Area
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Tighten the bolts in order of the numbers shown in the illustration.

Fig. 68: Identifying Oil Pan Bolts With Tighten Sequence

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSPECTION

Check the oil pan for cracks.

Check the oil pan sealant-coated surface for damage and deformation.
Check the oil screen for cracked, clogged or damaged wire net and pipe.

CRANKSHAFT OIL SEAL

REMOVAL AND INSTALLATION <FRONT OIL SEAL>

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Fig. 69: Identifying Crankshaft Oil Seal Components With Torque Specification
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tool:

MD998717: Crankshaft Front Oil Seal Installer

INSTALLATION SERVICE POINTS

>>A<< CRANKSHAFT FRONT OIL SEAL INSTALLATION

1. Apply a small amount of engine oil to the oil seal lip and then insert.
2. Using special tool MD998717, tap the oil seal into the front case.

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Fig. 70: Applying Small Amount Of Engine Oil To Oil Seal Lip
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< CRANKSHAFT SPACER/CRANKSHAFT SENSING BLADE/CRANKSHAFT SPROCKET INSTALLATION

To prevent the crankshaft pulley mounting bolt from loosening, degrease or clean the crankshaft, the crankshaft
spacer, the crankshaft sensing blade and the crankshaft at the shown positions.

Fig. 71: Installing Crankshaft Spacer, Crankshaft Sensing Blade And Crankshaft Sprocket
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

REMOVAL AND INSTALLATION <REAR OIL SEAL>

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Fig. 72: Identifying Drive Plate, Crankshaft Rear Oil Seal, Adaptor Plate And Drive Plate Bolts
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Required Special Tools:

MD998718: Crankshaft Rear Oil Seal Installer

MD998781: Flywheel Stopper

REMOVAL SERVICE POINT

<<A>> DRIVE PLATE BOLTS REMOVAL

Use special tool MD998781 to secure the drive plate and remove the drive plate bolts.

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Fig. 73: Securing Drive Plate Using Special Tool MD998781

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< CRANKSHAFT REAR OIL SEAL INSTALLATION

1. Apply a small amount of engine oil to the entire circumference of the oil seal lip.
2. Use special tool MD998718 to tap in the oil seal as shown in the illustration.

Fig. 74: Tapping Oil Seal Using Special Tool

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< DRIVE PLATE BOLTS INSTALLATION

Use special tool MD998781 in the same way as during removal to install the drive plate bolts.

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Fig. 75: Securing Drive Plate Using Special Tool MD998781

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CYLINDER HEAD GASKET

REMOVAL AND INSTALLATION

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Fig. 76: Identifying Cylinder Head Components With Torque Specifications

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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Required Special Tool:

MD998051: Cylinder Head Bolt Wrench

REMOVAL SERVICE POINT

<<A>> CYLINDER HEAD ASSEMBLY REMOVAL

Use special tool MD998051 to loosen each bolt two or three steps in the order shown in the illustration.

Fig. 77: Identifying Cylinder Head Assembly

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< CYLINDER HEAD GASKET INSTALLATION

1. Degrease the cylinder head and cylinder block gasket mounting surfaces.
2. Make sure that the gasket has the proper identification mark for the engine.
3. Lay the cylinder head gasket on the cylinder block with the identification mark at the front top.

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Fig. 78: Identifying Cylinder Head Gasket

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< CYLINDER HEAD ASSEMBLY INSTALLATION

CAUTION: Be careful that no foreign material gets into the cylinder, coolant passages
or oil passages. Engine damage may result.

1. Use a scraper to clean the gasket surface of the cylinder head assembly.

CAUTION: Install the head bolt washers with the beveled side facing upwards as
shown in the illustration.

2. Using special tool MD998051 and a torque wrench, tighten the bolts to the specified torque in the order
shown in the illustration. (in two or three cycles)

Tightening torque: 108 ± 5 N.m (80 ± 3 ft-lb) --> 0 N.m (0 in-lb) --> 108 ± 5 N.m (80 ± 3 ft-lb)

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Fig. 79: Tightening Cylinder Head Bolts Using Special Tool

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

TIMING BELT
REMOVAL AND INSTALLATION

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Fig. 80: Identifying Timing Belt Components With Torque Specification

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

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NOTE: *1: In case that the amount of rod protrusion is 5 mm with the set pin inserted.
*2: In case that the amount of rod protrusion is 1 mm with the set pin inserted.

Required Special Tools:

MB991800: Pulley Holder

MB991802: Pin B
MD998767: Tensioner Pulley Socket Wrench
MD998769: Crankshaft Pulley Spacer

REMOVAL SERVICE POINTS

<<A>> CRANKSHAFT PULLEY REMOVAL

CAUTION: Use only the specified special tools, or a damaged pulley damper could
result.

Use special tools MB991800 and MB991802 to remove the crankshaft pulley from the crankshaft.

Fig. 81: Removing Crankshaft Pulley Using Special Tools MB991800 And MB991802
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

<<B>> TIMING BELT REMOVAL

CAUTION: Never turn the crankshaft counterclockwise.

1. Turn the crankshaft clockwise to align each timing mark and to set the number 1 cylinder to compression
top dead center.
2. If the timing belt is to be reused, chalk an arrow on the flat side of the belt, indicating the clockwise
direction.
3. Loosen the center bolt of the tensioner pulley, then remove the timing belt.

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Fig. 82: Loosening Center Bolt Of Tensioner Pulley

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSTALLATION SERVICE POINTS

>>A<< AUTO-TENSIONER INSTALLATION

<In case that the amount of rod protrusion is 5 mm with the set pin inserted.>

1. If the auto-tensioner rod remains fully extended, set according to the following procedure.

CAUTION: Place the auto-tensioner perpendicular to the jaws of the vice.

1. Place two dolly blocks in a vice as shown in the illustration, and then place the auto-tensioner in the
vice.

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Fig. 83: Placing Dolly Blocks In Vice

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: Never compress the pushrod too fast, or it may be damaged.

2. Slowly compress the pushrod of the auto-tensioner until pin hole A in the pushrod is aligned with
pin hole B in the cylinder.
3. Insert the set pin into the pin holes once they are aligned.

NOTE: If replacing the auto-tensioner, the pin will already be inserted into
the pin holes of the new part.

CAUTION: Do not remove the setting pin from the auto-tensioner.

4. Install the auto-tensioner to the engine.

Fig. 84: Inserting Setting Pin Into Pin Holes

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>B<< AUTO-TENSIONER INSTALLATION

<In case that the amount of rod protrusion is 1 mm with the set pin inserted.>

CAUTION: If the lateral type press is used, the appropriate air bleeding is not

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carried out. Always use longitudinal type press.

To prevent damage to the auto tensioner, do not apply the load of
5,000N (1,124 lb) or more.
To prevent damage to the auto tensioner, do not press the rod below
the cylinder end plane.

1. Set the auto tensioner to the longitudinal type press as shown in the illustration.
2. Push in the rod little by little with the longitudinal type press until set hole A in the rod is aligned with
hole B in the cylinder.

CAUTION: To prevent the air from being incorporated, keep the auto tensioner
with its rod upward after the air bleeding.

3. Insert the set pin into the set holes. This auto-tensioner setting pin will be used during timing belt
alignment.

Fig. 85: Setting Auto Tensioner To Longitudinal Type

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>C<< TIMING BELT INSTALLATION

<In case that the amount of rod protrusion is 5 mm with the set pin inserted.>

1. Align the timing marks on the camshaft sprockets with those on the rocker cover and the timing mark on
the crankshaft sprocket with that on the engine block as shown in the illustration.

CAUTION: The camshaft sprocket (right bank) can turn easily due to the spring
force applied, so be careful not to get your fingers caught.

2. Install the timing belt by the following procedure so that there is no deflection in the timing belt between
each sprocket and pulley.
1. Crankshaft sprocket

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2. Idler pulley
3. Camshaft sprocket (Left bank)
4. Water pump pulley
5. Camshaft sprocket (Right bank)
6. Tensioner pulley
3. Turn the camshaft sprocket (Right bank) counterclockwise until the tension side of the timing belt is
firmly stretched. Check all the timing marks again.

Fig. 86: Turning Camshaft Sprocket (Right Bank)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Use special tool MD998767 to push the tensioner pulley into the timing belt, then temporarily tighten the
center bolt.

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Fig. 87: Pushing Tensioner Pulley Into Timing Belt

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. Use special tool MD998769 to turn the crankshaft 1/4 turn counterclockwise, then turn it again clockwise
until the timing marks are aligned.

CAUTION: When tightening the center bolt, be careful that the tensioner pulley
does not turn with the bolt.

Fig. 88: Turning Crankshaft 1/4 Turn Counterclockwise

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

6. Loosen the center bolt of the tensioner pulley. Use special tool MD998767 and a torque wrench to apply
the tension torque to the timing belt as shown in the illustration. Then tighten the center bolt to the
specified torque.

Standard value: 4.4 N.m (39 in-lb) <Timing belt tension torque>

Tightening torque: 48 ± 6 N.m (36 ± 4 ft-lb)

Fig. 89: Loosening Center Bolt Of Tensioner Pulley

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

7. Remove the set pin that has been inserted into the auto-tensioner.
8. Turn the crankshaft clockwise twice to align the timing marks.

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Fig. 90: Removing Set Pin

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

9. Wait for at least five minutes, then check that the auto-tensioner pushrod extends within the standard
value range.

Standard value (A): 4.8 - 6.0 mm (0.19 - 0.24 inch)

10. If not, repeat steps 1 through 8 above.

11. Check again that the timing marks of the sprockets are aligned.

Fig. 91: Checking Timing Marks Of Sprockets

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>D<< TIMING BELT INSTALLATION

<In case that the amount of rod protrusion is 1 mm with the set pin inserted.>

1. Align the timing marks on the camshaft sprockets with those on the rocker cover and the timing mark on
the crankshaft sprocket with that on the engine block as shown in the illustration.

CAUTION: The camshaft sprocket (right bank) can turn easily due to the spring
force applied, so be careful not to get your fingers caught.

2. Install the timing belt by the following procedure so that there is no deflection in the timing belt between

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each sprocket and pulley.

1. Crankshaft sprocket
2. Idler pulley
3. Camshaft sprocket (Left bank)
4. Water pump pulley
5. Camshaft sprocket (Right bank)
6. Tensioner pulley
3. Turn the camshaft sprocket (Right bank) counterclockwise until the tension side of the timing belt is
firmly stretched. Check all the timing marks again.

Fig. 92: Turning Camshaft Sprocket (Right Bank)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

4. Insert the hexagon wrench having the width of 5 mm (0.20 inch) between the auto-tensioner and tensioner
arm.

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Fig. 93: Identifying Width Between Auto-Tensioner And Tensioner Arm

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. Inserting the hexagon wrench, use special tool MD998767 to push the tensioner pulley into the timing
belt, then temporarily tighten the center bolt.

Fig. 94: Pushing Tensioner Pulley Into Timing Belt

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

6. Use special tool MD998769 to turn the crankshaft 1/4 turn counterclockwise, then turn it again clockwise
until the timing marks are aligned.

CAUTION: When tightening the center bolt, be careful that the tensioner pulley
does not turn with the bolt.

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Fig. 95: Turning Crankshaft 1/4 Turn Counterclockwise

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

7. Inserting the hexagon wrench, loosen the center bolt of the tensioner pulley. Use special tool MD998767
and a torque wrench to apply the tension torque to the timing belt as shown in the illustration. Then
tighten the center bolt to the specified torque.

Standard value: 4.4 N.m (39 in-lb) <Timing belt tension torque>

Tightening torque: 48 ± 6 N.m (36 ± 4 ft-lb)

Fig. 96: Loosening Center Bolt Of Tensioner Pulley

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

CAUTION: If the hexagonal wrench is removed first, the timing belt would
possibly become loose and come off the tooth.

8. Remove the set pin that has been inserted into the auto-tensioner.

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Fig. 97: Identifying Width Between Auto-Tensioner And Tensioner Arm

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

9. Pull out the hexagon wrench.

10. Turn the crankshaft clockwise twice to align the timing marks.

Fig. 98: Aligning Timing Marks

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

11. Wait for at least five minutes, then check that the auto-tensioner pushrod extends within the standard
value range.

Standard value (A): 4.8 - 6.0 mm (0.19 - 0.24 inch)

12. If not, repeat steps 1 through 10 above.

13. Check again that the timing marks of the sprockets are aligned.

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Fig. 99: Checking Timing Marks Of Sprockets

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

>>E<< CRANKSHAFT PULLEY INSTALLATION

Use special tools MB991800 and MB991802 to install the crankshaft pulley.

Fig. 100: Removing Crankshaft Pulley Using Special Tools MB991800 And MB991802
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

INSPECTION

AUTO-TENSIONER CHECK

1. Check for oil leak from seal, and replace it if leak is detected.
2. Check for wear or damage at the top of the rod. Replace it, if required.
3. While holding the auto-tensioner with your hand, press the end of the pushrod against a metal surface
(such as the cylinder block) with a force of 98 - 196 N (22 - 44 pounds) and measure how far the pushrod
is pushed in.

Standard value: Within 1 mm (0.04 inch)

A: Length when no force is applied

B: Length when force is applied

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A - B: Movement in

4. If the measured value is out of the standard value, replace the auto-tensioner.

Fig. 101: Replacing Auto-Tensioner Adjuster

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

AIR BLEEDING PROCEDURE OF AUTO-TENSIONER

<In case that the amount of rod protrusion is 1 mm with the set pin inserted.>

When the auto tensioner is not kept with its rod upward, or when the set pin having 2 mm (0.08 inch) is pulled
out before the installation to the engine, carry out the air bleeding as follows.

CAUTION: If the lateral type press is used, the appropriate air bleeding is not
carried out. Always use longitudinal type press.
To prevent damage to the auto tensioner, do not apply the load of
5,000N (1,124 lb) or more.
To prevent damage to the auto tensioner, do not press the rod below
the cylinder end plane.

1. Set the auto tensioner to the longitudinal type press as shown in the illustration.
2. Slowly press down the rod, two or three times, to the cylinder end plane.
3. When the rod protrusion has approximately 5 mm (0.20 inch), apply the load of 100 - 200N (23 - 44 lb).
Check whether the auto tensioner has sufficient stiffness.
4. If the auto tensioner does not have sufficient stiffness, replace the auto tensioner.

CAUTION: To prevent the air from being incorporated, keep the auto tensioner
with its rod upward after the air bleeding.

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Fig. 102: Setting Auto Tensioner

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

5. Slowly pressing down the rod, insert the set pin having 2 mm (0.08 inch) through the hole to fix the auto
tensioner.

CYLINDER BLOCK HEATER UNIT

REMOVAL AND INSTALLATION

Fig. 103: Identifying Cylinder Block Heater Unit Components With Torque Specifications
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

REMOVAL SERVICE POINT

<<A>> CYLINDER BLOCK HEATER UNIT REMOVAL

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Remove the cylinder block heater unit by using a flat-tipped screwdriver.

INSTALLATION SERVICE POINT

>>A<< CYLINDER BLOCK HEATER UNIT INSTALLATION

1. Install the cylinder block heater unit to the cylinder block within the range as shown.
2. Tighten the cylinder block heater unit mounting bolt to the specified torque.

Tightening torque: 2.6 ± 0.2 N.m (23 ± 2 in-lb)

Fig. 104: Identifying Range For Installing Cylinder Block Heater Unit To Cylinder Block
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS

ITEM SPECIFICATION
ITEM SPECIFICATION
Engine assembly
Engine mount assembly to engine bolt and
83 ± 12 N.m (61 ± 9 ft-lb)
nut
Engine mount assembly to frame bolt 58 ± 7 N.m (43 ± 5 ft-lb)

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Engine mounting stay bolt 41 ± 6 N.m (31 ± 4 ft-lb)

Evaporative emission purge solenoid bolt 9.0 ± 1.0 N.m (80 ± 9 in-lb)
Power steering oil pump bolt 46 ± 8 N.m (34 ± 6 ft-lb)
Power steering oil pump nut 42 ± 7 N.m (31 ± 5 ft-lb)
Power steering pressure hose clamp nut 12 ± 2 N.m (102 ± 22 in-lb)
Power steering pressure hose clamp bracket
12 ± 2 N.m (102 ± 22 in-lb)
bolt
Reservoir assembly bolt 12 ± 2 N.m (102 ± 22 in-lb)
Camshaft oil seal
Camshaft sprocket bolt 88 ± 10 N.m (65 ± 7 ft-lb)
Camshaft and valve stem seal
Camshaft position sensing cylinder bolt 22 ± 4 N.m (16 ± 3 ft-lb)
Camshaft position sensor support bolt 14 ± 1 N.m (120 ± 13 in-lb)
Camshaft position sensor bolt 11 ± 1 N.m (98 ± 8 in-lb)
Camshaft sprocket bolt 88 ± 10 N.m (65 ± 7 ft-lb)
EGR pipe B bolt 12 ± 1 N.m (102 ± 13 in-lb)
M6 9.0 ± 1.0 N.m (80 ± 9 in-lb)
EGR valve support bolt
M8 19 ± 3 N.m (14 ± 2 ft-lb)
Ignition coil bolt 10 ± 2 N.m (89 ± 17 in-lb)
PCV valve 10 ± 2 N.m (89 ± 17 in-lb)
Rocker cover bolt 3.5 ± 0.5 N.m (31 ± 4 in-lb)
Rocker shaft bolt 31 ± 3 N.m (23 ± 2 ft-lb)
Oil pan and oil screen
Cover bolt 11 ± 0.5 N.m (93 ± 4 in-lb)
Engine oil dipstick bolt 14 ± 1 N.m (120 ± 13 in-lb)
Engine lower oil pan bolt 11 ± 1 N.m (97 ± 9 in-lb)
Engine oil pan drain plug 39 ± 5 N.m (29 ± 3 ft-lb)
Engine upper oil pan bolt 8.5 ± 3.5 N.m (76 ± 31 in-lb)
Engine upper oil pan to torque converter bolt 35 ± 6 N.m (26 ± 4 ft-lb)
Oil screen bolt 19 ± 3 N.m (14 ± 2 ft-lb)
Starter bolt 30 ± 3 N.m (23 ± 2 ft-lb)
Torque converter connecting bolt 49 ± 3 N.m (36 ± 2 ft-lb)
Crankshaft oil seal
A/T drive plate bolt 75 ± 1 N.m (55 ± 1 ft-lb)
Crankshaft position sensor bolt 8.5 ± 0.5 N.m (76 ± 4 in-lb)
Cylinder block heater unit
Cylinder block heater unit 2.6 ± 0.2 N.m (23 ± 2 in-lb)
M10 22 ± 4 N.m (16 ± 3 ft-lb)
Cylinder block heater cover colt
M12 41 ± 8 N.m (30 ± 6 ft-lb)
Cylinder head gasket
Cylinder head bolt <Cold engine> 108 ± 5 N.m (80 ± 3 ft-lb) --> 0 N.m (0 in-lb) --> 108 ± 5

domingo, 14 de febrero de 2021 12:42:04 a. m. Page 93 © 2011 Mitchell Repair Information Company, LLC.
 2010 Mitsubishi Endeavor LS
2010 ENGINE Engine Mechanical - Endeavor

N.m (80 ± 3 ft-lb)

EGR pipe B bolt 12 ± 1 N.m (102 ± 13 in-lb)
Grounding connecting bolt 22 ± 4 N.m (16 ± 3 ft-lb)
Ignition coil bolt 10 ± 2 N.m (89 ± 17 in-lb)
Power steering oil pump bracket connecting
44 ± 10 N.m (33 ± 7 ft-lb)
bolt
Rocker cover bolt 3.5 ± 0.5 N.m (31 ± 4 in-lb)
Timing belt rear center cover bolt 14 ± 1 N.m (120 ± 13 in-lb)
Timing belt
Auto-tensioner bolt 23 ± 3 N.m (17 ± 2 ft-lb)
Crankshaft pulley center bolt 185 N.m (137 ft-lb)
Engine mounting stay bolt 41 ± 6 N.m (31 ± 4 ft-lb)
Engine support bracket bolt 45 ± 5 N.m (34 ± 3 ft-lb)
Tensioner arm bolt 44 ± 10 N.m (33 ± 7 ft-lb)
Tensioner bracket bolt 41 ± 8 N.m (30 ± 6 ft-lb)
Tensioner pulley bolt 48 ± 6 N.m (36 ± 4 ft-lb)
Tensioner pulley nut 49 ± 9 N.m (36 ± 7 ft-lb)
Timing belt lower cover bolt (bolt,
M6 11 ± 1 N.m (98 ± 8 in-lb)
flange)
Timing belt lower cover bolt (bolt,
M10 14 ± 1 N.m (120 ± 13 in-lb)
washer assembled)
Timing belt upper cover bolt (bolt, M6 11 ± 1 N.m (98 ± 8 in-lb)
flange) M8 14 ± 1 N.m (120 ± 13 in-lb)

SERVICE SPECIFICATIONS

ITEM SPECIFICATION
STANDARD
ITEM LIMIT
VALUE
Vibration frequency Hz 124 - 160 -
Power steering drive belt tension Tension N (lb) 294 - 490 (66 - 110) -
(When checked) Deflection (Reference) 12.3 - 16.2 (0.48 -
-
mm (in) 0.64)
Vibration frequency Hz 134 - 151 -
Power steering drive belt tension Tension N (lb) 343 - 441 (77 - 99) -
(When adjusted) Deflection (Reference) 13.2 - 15.1 (0.52 -
-
mm (in) 0.59)
Vibration frequency Hz 160 - 189 -
Power steering drive belt tension Tension N (lb) 490 - 686 (110 - 154) -
(When replaced) Deflection (Reference)
9.6 - 12.3 (0.38 - 0.48) -
mm (in)
Basic ignition timing at idle 5°BTDC ± 3° -

domingo, 14 de febrero de 2021 12:42:04 a. m. Page 94 © 2011 Mitchell Repair Information Company, LLC.
 2010 Mitsubishi Endeavor LS
2010 ENGINE Engine Mechanical - Endeavor

Approximately 10°
Actual ignition timing at curb idle -
BTDC
CO contents % 0.5 or less -
HC contents ppm 100 or less -
Curb idle speed r/min 680 ± 100 -
Minimum 1,117
Compression pressure (200 r/min) kPa (psi) 1,548 (225)
(162)
Compression pressure difference of all cylinder kPa (psi) - 98 (14)
Intake manifold vacuum at curb idle kPa (in Hg) - Minimum 60 (18)
Cylinder block heater unit internal resistance ohms 19 - 30 -
Timing belt tension torque N.m (in-lb) 4.4 (39) -
Auto tensioner rod protrusion amount mm (in) 4.8 - 6.0 (0.19 - 0.24) -
Auto-tensioner pushrod movement mm (in) Within 1.0 (0.04) -

SEALANTS

SEALANTS SPECIFICATION
ITEM SPECIFIED SEALANT
Camshaft position sensor
3M™ AAD Part No. 8672, 3M™ AAD Part No. 8679/8678 or equivalent
support
3M™ AAD Part No. 8672, 8704, 3M™ AAD Part No. 8679/8678 or
Engine oil pan
equivalent

domingo, 14 de febrero de 2021 12:42:04 a. m. Page 95 © 2011 Mitchell Repair Information Company, LLC.