2015 18 Ford Edge Driveshaft
2015 18 Ford Edge Driveshaft
Edge
20501 Driveshaft 2015 Edge
General Procedures Procedure revision date: 06/19/2015
Driveshaft Angle Measurement
Check
NOTE: This procedure does not apply to CV joints, flex couplers or double cardan joints that are used in some
driveshafts. This check is for singlecross and rollerstyle joints found in the driveshafts.
NOTE: Prior to checking driveline angularity, inspect the Ujoints for correct operation.
NOTE: An incorrect driveline angle can cause a vibration or shudder.
NOTE: Driveline angularity is the angular relationship between the engine crankshaft, the driveshaft and the rear axle
pinion. Factors determining driveline angularity include ride height, rear spring and engine mounts.
1. NOTE:
Special Tool(s): Anglemaster II Driveline Inclinometer/Protractor 164R2402. Carry out the following
preliminary setup steps:
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1. Inspect the Ujoints for correct operation.
2. Park the vehicle on a level surface such as a driveon hoist or back onto a front end alignment rack.
3. Verify the curb position ride height is within specifications with the vehicle unloaded and all of the tires are
inflated to their normal operating pressures.
4. Calibrate the Anglemaster II Driveline Inclinometer/Protractor by placing it on a clean, flat level section of
the frame rail and press the ALTZERO button.
Vehicles with flatflanged, splitpin or slipflanged Ujoints
2. NOTE: If equipped, remove the snap ring to allow access to the base of the Ujoint cup. Make sure the
Anglemaster II Driveline Inclinometer/Protractor is seated against the Ujoint cup.
NOTE: Rotate the driveshaft until the flange Ujoint cup is parallel with the floor. This will simplify taking
measurements.
Special Tool(s): Anglemaster II Driveline Inclinometer/Protractor 164R2402. Check and record the flange angle as
angle "A".
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3. Special Tool(s): Anglemaster II Driveline Inclinometer/Protractor 164R2402. Measure the slope of the connecting
component. Record the measurement of the component angle as angle "B".
Multiple piece driveshafts
4. NOTE: Repeat this step for each center support bearing on the driveshaft.
NOTE: It is not necessary to remove the Ujoint snap ring, if equipped, for these measurements.
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Special Tool(s): Anglemaster II Driveline Inclinometer/Protractor 164R2402. Measure the slope of the components
in front and behind the center support bearing Ujoint in the area indicated. Record the front component as angle A
and the rear component as angle "B".
All vehicles
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5. NOTE: When 2 connected components slope in the same direction, subtract the smallest number from the larger
number to find the Ujoint operating angle. When 2 connected components slope in the opposite direction, add the
measurements to find the Ujoint operating angle.
Calculate the difference in the slope of the components to determine the Ujoint operating angle.
6. NOTE:
The Ujoint operating angle is the angle formed by 2 yokes connected by a cross and bearing kit. Ideally,
the operating angles on each connection of the driveshaft must:
1. be equal or within one degree of each other.
2. have a 3 degree maximum operating angle.
3. have at least onehalf of one degree continuous operating angle.
7. If the angle is not within specifications, repair or adjust to obtain the correct angle. Inspect the engine mounts,
transmission mounts, center support bearing mounting, rear suspension, rear axle, rear axle mounting or the frame
for wear or damage.
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20501 Driveshaft 2015 Edge
Diagnosis and Testing Procedure revision date: 11/5/2014
Driveshaft
Base Part Number: 4602
Preliminary Inspection
1. Visually inspect the CV joints for obvious signs of mechanical damage.
2. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding
to the next step
3. If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.
Symptom Chart(s)
Diagnostics in this manual assume a certain skill level and knowledge of Fordspecific diagnostic practices.
REFER to: Diagnostic Methods (10000 General Information, Description and Operation).
Symptom Chart: NVH
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Symptom Chart
Damaged INSPECT the insulator for wear or damage.
driveshaft INSTALL a new driveshaft as necessary.
center REFER to: Rear Driveshaft (20501
bearing Driveshaft, Removal and Installation).
support
Damaged INSPECT the insulator for wear or damage.
driveshaft INSTALL a new driveshaft as necessary.
center REFER to: Rear Driveshaft (20501
bearing Driveshaft, Removal and Installation).
support
Binding or INSPECT the driveshaft CV joints and
damaged coupling shaft for wear or damage. INSTALL
driveshaft a new driveshaft as necessary.
CV joint REFER to: Rear Driveshaft (20501
Driveshaft, Removal and Installation).
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Loose axle INSPECT the axle pinion flange. TIGHTEN
pinion flange the pinion flange bolts to specification.
bolts REFER to: Rear Driveshaft (20501
Driveshaft, Removal and Installation).
Excessive CARRY OUT a runout check. REPAIR as
axle pinion necessary.
flange
runout
Driveshaft CHECK the driveshaft for damage, missing
is out of balance weights or undercoating. CHECK the
balance driveshaft balance. CARRY OUT a driveline
vibration test.
Binding or INSPECT the driveshaft CV joint for wear or
damaged damage. INSTALL a new driveshaft as
driveshaft necessary.
CV joint REFER to: Rear Driveshaft (20501
Driveshaft, Removal and Installation).
Excessive CARRY OUT a runout check.
driveshaft
runout
Driveline CHECK for correct driveline angles. REPAIR
angles out as necessary.
of
specification
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20501 Driveshaft 2015 Edge
General Procedures Procedure revision date: 11/5/2014
Driveshaft Runout and Balancing
Base Part Number: 04602
Special Tool(s) / General Equipment
100002 (TOOL4201C)
Holding Fixture with Dial Indicator Gauge
Inspection
NOTE: Driveline vibration exhibits a higher frequency and lower amplitude then highspeed shake. Driveline vibration is
directly related to the speed of the vehicle and is noticed at various speeds. Driveline vibration can be perceived as a
tremor in the floorpan or heard as a rumble, hum or boom.
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NOTE: Refer to Specifications in this section for runout specifications.
1. NOTE: Do not make any adjustments before carrying out a road test. Do not change the tire pressure or the
vehicle load.
Carry out a visual inspection of the vehicle. Operate the vehicle and verify the condition by reproducing it
during the road test.
The concern should be directly related to vehicle road speed. not affected by acceleration or deceleration or
could be reduced by coasting in NEUTRAL.
2. With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (10002 Jacking and Lifting) .
3. NOTE: The driveshaft should be kept at an angle equal to or close to the curbweighted position. Use a twinpost
hoist or a frame hoist with jackstands.
Inspect the driveshaft for damage, undercoating or incorrectly seated Ujoints. Rotate the driveshaft slowly
by hand and feel for binding or end play in the Ujoint trunions. Remove the driveshaft. Inspect the slip yoke
splines for any galling, dirt, rust or incorrect lubrication. Clean the driveshaft or install new Ujoints as
necessary. Install a new driveshaft if damaged. After any corrections or new components are installed,
recheck for the vibration at the road test speed.
If the vibration persists after inspection, measure the driveshaft runout.
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Check
1. NOTE:
Measure and check for the specified maximum value. Install the Dial Indicator Gauge with Holding Fixture.
Rotate the driveshaft by turning the axle and measure the runout at the front, center and rear of the
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driveshaft. Multiple piece driveshaft measure each section at the front, center and rear.
1. If the runout exceeds 1 mm (0.040 in) at the front or center, install a new driveshaft.
Use Special Service Tool: 100002 (TOOL4201C) Holding Fixture with Dial Indicator Gauge.
2. If the front and center is within 1 mm (0.040 in) , but the rear runout is not, indexmark the rear runout high
point and proceed to step 2.
3. If the runout is within 1 mm (0.040 in) at all points, recheck for vibration at road test speed. If the vibration
persists, balance the driveshaft. Refer to Driveshaft Balancing in this procedure.
2. NOTE: Circular pinion flanges can be turned in 90 degree or onefourth increments. Halfround pinion flanges are
limited to 2 positions. CV joint pinion flanges that have 6 bolts, can be turned in 60 degree or onesixth increments.
Indexmark the driveshaft to the pinion flange. Disconnect the driveshaft and rotate it 180 degrees.
Reconnect the driveshaft. Recheck the runout at the rear of the driveshaft.
1. If the runout is still over specification, mark the high point and proceed to Step 3.
2. If the runout is within specification, check for the vibration at the road test speed. If the vibration is still
present, balance the driveshaft. Refer to Driveshaft Balancing in this procedure.
3. NOTE:
Excessive driveshaft runout can originate in the driveshaft itself or from the pinion flange. To find the
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source, compare the 2 high points previously determined.
1. If the index marks are close together, within 25 mm (1 in), the driveshaft is eccentric. Install a new
driveshaft.
2. If the marks are on opposite sides of the driveshaft, 180 degrees apart, the slip yoke or pinion flange is
responsible. Check the pinion flange runout. If the pinion flange runout exceeds specifications, a bent pinion
is indicated.
Refer to: Rear Drive Axle and Differential (20502 Rear Drive Axle/Differential, Diagnosis and Testing).
3. If the pinion flange and pinion runouts are within specifications, road test and check for the vibration at the
road test speed. If the vibration persists, balance the driveshaft. Refer to Driveshaft Balancing in this
procedure.
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Driveshaft Balancing – Using the Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix)
4. Special Tool(s): Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 25700018.
Working under the vehicle, install an accelerometer. The accelerometer can be attached and mounted near either
the transmission or differential end of the driveshaft.
5. NOTE:
Clean an area of the driveshaft and install the reflective tape, then install the phototachometer sensor. The
sensor should be placed at approximately a 20degree angle from perpendicular to the surface of the
reflective tape. Make sure the sensor does not get moved during the balance procedure.
1. Reflective tape.
2. Phototachometer sensor.
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6. Special Tool(s): Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 25700018. Run a
driveshaft balance test with the driveshaft unmodified.
Use Special Service Tool: 100002 (TOOL4201C) Holding Fixture with Dial Indicator Gauge.
Vehicles with tapped pinion flanges
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7. Label the tapped holes in the pinion flange numerically, starting at the top hole as 1. Mark the remaining holes 2, 3,
4, (depending on flange type, 5 and 6 may also be needed). Label in the direction of rotation.
8. Special Tool(s): Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 25700018. Run a
second test with the 12 mm (0.47 in) test weight set screw in the No. 1 hole, previously marked on the pinion
flange.
9. Remove the test weight, then install the weight combination directed by the Mastertech® Series MTS 4000
Driveline Balance and NVH Analyzer (Vetronix).
Vehicles without tapped pinion flanges
10. NOTE:
Special Tool(s): Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 25700018.
Run a second test with a test weight. Using a metal band, secure the test weight to the end of the
driveshaft. The weight should be placed at the end of the driveshaft tube, as close to the tubetoyoke weld
seam as possible. Mark the location of the test weight on the driveshaft, as shown in the figure below.
1. Test weight.
2. Tubetoyoke weld seam.
3. Driveshaft pinion flange.
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Select the test weight based on driveshaft size. Larger driveshafts use 10 g (0.353 oz). Smaller driveshafts
use 5 g (0.176 oz).
11. NOTE:
Remove the test weight, then install the recommended weight at the position directed by the Mastertech®
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Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix). Using a metal band and epoxy, secure
the test weight to the driveshaft, as shown in the figure below.
1. Test weight.
2. Measure in this direction.
3. Driveshaft diameter.
4. Directional rotation.
5. Balance weight relative to test weight centerline.
The results are displayed with respect to the location to where the test weight was placed.
All vehicles
12. Special Tool(s): Mastertech® Series MTS 4000 Driveline Balance and NVH Analyzer (Vetronix) 25700018. Run a
third test to verify the repair.
Driveshaft Balancing – Hose Clamp Method
13. Install 1 or 2 hose clamps on the driveshaft, near the rear. Position of the hose clamp head(s) can be determined
through trial and error.
14. Mark the rear of the driveshaft into 4 approximately equal sectors and number the marks 1 through 4. Install a hose
clamp on the driveshaft with its head at position No. 1, as shown in the figure below. Check for vibration at road
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speed. Recheck with the clamp at each of the other positions to find the position that shows minimum vibration. If
2 adjacent positions show equal improvement, position the clamp head between them.
15. If the vibration persists, add a second clamp at the same position and recheck for vibration.
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16. If no improvement is noted, rotate the clamps in opposite directions, equal distances from the best position
determined in Step 14. Separate the clamp heads about 13 mm (1/2 in) and recheck for vibration at the road speed.
17. Repeat the process with increasing separation until the best combination is found or the vibration is reduced to an
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acceptable level.
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20501 Driveshaft 2015 Edge
Specifications Procedure revision date: 06/19/2015
Specifications
Driveshaft runout 1.0 mm (0.040 in)
Driveshaft to PTU joint angle @ curb ride height 2.1 degrees
Driveshaft center bearing joint angle @ curb ride height 4.7 degrees
Driveshaft to RDU joint angle @ curb ride height 0.3 degrees
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20501 Driveshaft 2015 Edge
Removal and Installation Procedure revision date: 06/15/2015
Rear Driveshaft
Special Tool(s) / General Equipment
FlatBladed Screwdriver
Punch
Copper Hammer
Removal
NOTE: Some removal steps may contain installation instructions.
All vehicles
1. Remove the muffler and tailpipe.
Refer to: Muffler and Tailpipe (30900A Exhaust System 2.0L EcoBoost (184kW/250PS) MI4, Removal and
Installation).
Refer to: Muffler and Tailpipe (30900B Exhaust System 2.7L EcoBoost (238kW/324PS), Removal and
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Installation).
Refer to: Muffler and Tailpipe (30900C Exhaust System 3.5L Duratec (212kW/278PS), Removal and
Installation).
2. If equipped, remove the retainers and the under body shield.
3. If equipped, remove the retainers and the dual under body shields.
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4. If equipped, remove the retainers and the center under body shield.
5. If equipped, remove the underbody side shield retainers .
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Vehicles equipped with a 4 bolt PTU flange
6. NOTICE: Do not remove driveshaft from the PTU flange by pulling on the driveshaft tube. Damage to the
CVjoint can result.
1. Mark the driveshaft and PTU flange alignment.
2. Remove the driveshaft to PTU bolts, and separate the driveshaft from the PTU.
Vehicles equipped with a 6 bolt PTU coupling flange
7. Remove and discard the driveshaft to PTU bolt and washer assemblies.
Torque: 26 lb.ft (35 Nm)
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8. NOTICE: Do not remove driveshaft from the PTU flange by pulling on the driveshaft tube. Damage to the
CVjoint can result.
1. Mark the driveshaft and PTU flange alignment.
2. Using a punch and a copper hammer, separate the driveshaft from the PTU flange.
Use the General Equipment: Punch
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Use the General Equipment: Copper Hammer
3. Remove the driveshaft from the PTU flange.
All vehicles
9. Remove and discard the driveshaft to RDU bolt and washer assemblies.
Torque: 26 lb.ft (35 Nm)
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10. NOTICE: Do not remove driveshaft from the pinion flange by pulling on the driveshaft tube. Damage to the
CVjoint can result.
1. Mark the driveshaft and RDU flange alignment.
2. Using a flat blade screwdriver, separate the driveshaft from the RDU flange.
Use the General Equipment: FlatBladed Screwdriver
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3. Remove the driveshaft from the RDU flange.
11. Remove the retainers and the center bearing heat shield.
Torque: 71 lb.in (8 Nm)
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12. With the help from an assistant, remove and discard the center bearing bolts and remove the driveshaft.
Torque: 41 lb.ft (55 Nm)
Installation
1. NOTE: If a driveshaft is installed and driveshaft vibration is encountered after installation, index the driveshaft.
To install, reverse the removal procedure.
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