C - SPECIFICATIONS
1990 Nissan 240SX
1990 ENGINE PERFORMANCE
Nissan - Service & Adjustment Specifications
Nissan; 240SX, 300ZX, Axxess, Maxima, Pathfinder,
Pickup, Pulsar NX, Sentra, Stanza, Van
INTRODUCTION
Use this article to quickly find specifications related to
servicing and on-vehicle adjustments. This article provides a quick
reference when you are familiar with an adjustment procedure and only
need a specification.
CAPACITIES
BATTERY SPECIFICATIONS
BATTERY SPECIFICATIONS
Application & Group Amp Hr. Rating
All Models ............................................ 60
FLUID CAPACITIES - 4-CYLINDER
FLUID CAPACITIES - 4-CYLINDER
Application Quantity
Crankcase (Includes Filter)
Axxess ................................ 3.75 qts. (3.5L)
Pathfinder & Pickup
2WD .................................. 4.1 qts. (3.9L)
4WD .................................. 3.5 qts. (3.3L)
Pulsar NX .............................. 3.4 qts. (3.2L)
Sentra ................................. 3.4 qts. (3.2L)
Stanza ................................ 3.75 qts. (3.5L)
Van .................................... 4.3 qts. (4.1L)
240SX .................................. 3.7 qts. (3.5L)
Cooling System (Includes Heater)
Axxess ................................. 7.9 qts. (7.5L)
Pathfinder & Pickup
2WD ................................. 10.4 qts. (9.8L)
4WD ................................ 11.5 qts. (10.9L)
Pulsar NX
Automatic Transmission ............... 6.2 qts. (5.9L)
Manual Transmission .................. 5.7 qts. (5.4L)
Sentra
Automatic Transmission
2WD ................................ 5.7 qts. (5.4L)
4WD ................................ 6.2 qts. (5.9L)
Manual Transmission .................. 5.7 qts. (5.4L)
Stanza ................................. 7.7 qts. (7.3L)
Van
With Front Heater .................... 9.2 qts. (8.7L)
With Front & Rear Heater ............. 9.6 qts. (9.1L)
240SX .................................. 7.1 qts. (6.7L)
Manual Transaxle (SAE 80W-90/API GL-4)
Axxess .................................. 10 pts. (4.7L)
Pulsar NX .............................. 6.0 pts. (2.8L)
Sentra ................................. 5.7 pts. (2.7L)
Stanza .................................. 10 pts. (4.7L)
Manual Transmission (SAE 80W-90/API GL-4)
Pathfinder & Pickup (1)
2WD .................................. 4.2 pts. (2.0L)
4WD .................................. 8.5 pts. (4.0L)
Van .................................... 4.2 pts. (2.0L)
240SX .................................. 5.1 pts. (2.4L)
Automatic Transaxle (Dexron-II) (2)
Axxess ................................. 7.9 qts. (7.4L)
Pulsar NX .............................. 6.5 qts. (6.2L)
Stanza ................................. 7.2 qts. (6.8L)
Sentra ................................. 6.6 qts. (6.3L)
Automatic Transmission (Dexron-II) (2)
Pathfinder & Pickup (2) ................ 8.3 qts. (7.8L)
Van .................................... 8.7 qts. (8.2L)
240SX .................................. 8.7 qts. (8.2L)
Differential (SAE 80W-90/API GL-5)
Axxess ................................. 2.2 pts. (1.0L)
Pathfinder & Pickup (1)
2WD .................................. 3.1 pts. (1.5L)
4WD
Rear ............................... 2.7 pts. (1.3L)
Front .............................. 2.7 pts. (1.3L)
Sentra ................................. 2.1 pts. (1.0L)
Van .................................... 2.7 pts. (1.3L)
240SX .................................. 3.8 pts. (1.8L)
Transfer Case
Pathfinder & Pickup .................... 2.3 qts. (2.2L)
Sentra ................................. 2.3 pts. (1.1L)
(1) - Start capacity. Fill to top of filler plug.
(2) - Start capacity. Fill to FULL mark on dipstick.
FLUID CAPACITIES - V6
FLUID CAPACITIES - V6
Application Quantity
Crankcase (Includes Filter)
Maxima ................................. 4.5 qts. (4.3L)
Pathfinder & Pickup
2WD .................................. 4.2 qts. (4.0L)
4WD .................................. 3.6 qts. (3.4L)
300ZX .................................. 4.3 qts. (4.1L)
Cooling System (Includes Heater)
Maxima ................................. 9.5 qts. (9.0L)
Pathfinder & Pickup
2WD ................................. 10.4 qts. (9.8L)
4WD ................................ 11.5 qts. (10.9L)
300ZX .................................. 9.6 qts. (9.1L)
Manual Transmission (API GL-4/SAE 90)
Maxima & 300ZX ......................... 4.3 pts. (2.0L)
Pathfinder & Pickup (1)
2WD .................................. 5.1 pts. (2.4L)
4WD .................................. 7.6 pts. (3.6L)
300ZX .................................. 6.0 pts. (2.8L)
Manual Transaxle (API GL-4)
Maxima .................................. 10 pts. (4.7L)
Automatic Transmission (Dexron-II) (2)
Pathfinder & Pickup
2WD .................................. 16.7 pts. (7.9L)
4WD .................................. 18.0 pts. (8.5L)
300ZX .................................. 16.3 pts. (7.7L)
Automatic Transaxle (Dexron-II) (2)
Maxima ................................ 15.4 pts. (7.3L)
Differential (SAE 80W-90/API GL-5)
Pathfinder & Pickup (1)
2WD Rear ............................. 5.9 pts. (2.8L)
4WD
Front .............................. 3.2 pts. (1.5L)
Rear ............................... 5.9 pts. (2.8L)
300ZX .................................. 3.2 pts. (1.5L)
Transfer Case
Pathfinder & Pickup .................... 4.6 pts. (2.2L)
(1) - Start capacity. Fill to top of filler plug.
(2) - Start capacity. Fill to FULL mark on dipstick.
QUICK-SERVICE
SERVICE INTERVALS & SPECIFICATIONS
REPLACEMENT INTERVALS
Component Interval (Miles)
Oil & Filter .................................... ( 1) 7500
Air Filter ........................................ 30,000
Coolant ........................................... 30,000
Fuel Filter ....................................... 30,000
Spark Plugs ....................................... 30,000
Timing Belt ....................................... 60,000
(1) - Every 3000 miles for severe service.
BELT ADJUSTMENT - 4-CYLINDER
BELT ADJUSTMENT - 4-CYLINDER
Application (1) Deflection In. (mm)
Alternator
Axxess ........................................ 7/32 (6)
Pathfinder & Pickup ............................ 3/8 (9)
Pulsar NX ..................................... 9/32 (7)
Sentra ........................................ 5/16 (8)
Stanza ......................................... 1/4 (6)
Van ........................................... 5/16 (8)
240SX .......................................... 1/4 (6)
A/C Compressor
Axxess ........................................ 3/16 (5)
Pathfinder & Pickup ............................ 3/8 (9)
Pulsar NX ..................................... 3/16 (5)
Sentra ........................................ 3/16 (5)
Stanza ........................................ 3/16 (5)
Van ......................................... 13/32 (10)
240SX .......................................... 1/4 (6)
Power Steering Pump
Axxess ........................................ 7/32 (6)
Pathfinder & Pickup .......................... 11/32 (9)
Pulsar NX ..................................... 3/16 (5)
Sentra ........................................ 3/16 (5)
Stanza ........................................ 5/16 (8)
Van .......................................... 11/32 (9)
240SX ......................................... 5/16 (8)
(1) - Deflection is with 22 lbs. (10 kg) pressure applied
midway on longest belt run.
BELT ADJUSTMENT - V6
BELT ADJUSTMENT - V6
Application (1) Deflection In. (mm)
Alternator
Maxima ........................................ 5/16 (8)
Pathfinder & Pickup ......................... 13/32 (10)
300ZX ......................................... 9/32 (7)
A/C Compressor
Maxima ........................................ 9/32 (7)
Pathfinder & Pickup ............................ 3/8 (9)
300ZX ......................................... 5/16 (8)
Power Steering Pump
Maxima ...................................... 13/32 (10)
Pathfinder & Pickup .......................... 11/32 (9)
300ZX ........................................ 7/16 (11)
(1) - Deflection is with 22 lbs. (10 kg) pressure applied
midway on longest belt run.
MECHANICAL CHECKS
ENGINE COMPRESSION
COMPRESSION SPECIFICATIONS - 4-CYLINDER
Application Specification
Compression Ratio
Axxess ........................................... 8.6:1
Pathfinder & Pickup .............................. 8.6:1
Pulsar NX ........................................ 9.4:1
Sentra ........................................... 9.4:1
Stanza ........................................... 8.5:1
Van .............................................. 8.3:1
240SX ............................................ 9.1:1
Compression Pressure
Axxess ........................... 175 psi (12.3 kg/cm )
Pathfinder & Pickup .............. 192 psi (13.5 kg/cm )
Pulsar NX ........................ 181 psi (12.7 kg/cm )
Sentra ........................... 181 psi (12.7 kg/cm )
Stanza ........................... 175 psi (12.3 kg/cm )
Van .............................. 173 psi (12.2 kg/cm )
240SX ............................ 192 psi (13.5 kg/cm )
Minimum Compression Pressure
Axxess ........................... 146 psi (10.3 kg/cm )
Pathfinder & Pickup .............. 142 psi (10.0 kg/cm )
Pulsar NX ........................ 142 psi (10.0 kg/cm )
Sentra ........................... 142 psi (10.0 kg/cm )
Stanza ........................... 146 psi (10.3 kg/cm )
Van ............................... 128 psi (9.0 kg/cm )
240SX ............................ 142 psi (10.0 kg/cm )
Maximum Variation Between Cylinders .. 14 psi (1.0 kg/cm )
COMPRESSION SPECIFICATIONS - V6
Application Specification
Compression Ratio
Maxima, Pathfinder & Pickup ...................... 9.0:1
300ZX ........................................... 10.5:1
Compression Pressure
Maxima, Pathfinder & Pickup ...... 173 psi (12.0 kg/cm )
300ZX ............................ 186 psi (13.1 kg/cm )
Minimum Compression Pressure (1)
Maxima, Pathfinder & Pickup ....... 128 psi (9.0 kg/cm )
300ZX ............................ 142 psi (10.0 kg/cm )
Maximum Variation Between Cylinders .. 14 psi (1.0 kg/cm )
(1) - Minimum compression at 300-350 RPM.
VALVE CLEARANCE
NOTE: All engines, except Z24i, are equipped with hydraulic
lifters. No adjustments are required.
VALVE CLEARANCE ADJUSTMENT - VAN Z24i ENGINE
Application Cold Hot
In. (mm) In. (mm)
Intake ................... N/A .............. .012 (.30)
Exhaust .................. N/A .............. .012 (.30)
4-CYLINDER VALVE ARRANGEMENT
Right Side - All intake.
Left Side - All exhaust.
V6 VALVE ARRANGEMENT
Intake Manifold Side - All intake.
Exhaust Manifold Side - All exhaust.
IGNITION SYSTEM
IGNITION COIL
IGNITION COIL RESISTANCE - 4-CYLINDER (Ohms @ 68 F (20 C))
Application Primary Secondary
Axxess ........................ .7 ................. ( 1)
Pathfinder & Pickup ........... .7 ................. ( 1)
Pulsar NX ................... .8-1.0 ....... 8200-12,400
Sentra ...................... .8-1.0 ....... 8200-12,400
Stanza ...................... .8-1.0 ....... 7600-11,400
Van ......................... .8-1.0 ....... 7600-11,400
240SX ......................... .7 ................. ( 1)
(1) - Secondary resistance cannot be read on Axxess,
Pickup/Pathfinder and 240SX.
IGNITION COIL RESISTANCE - V6 (Ohms @ 68 F (20 C))
Application Primary Secondary
Maxima ........................ 1.0 ....... 8200-12,400
Pathfinder & Pickup ........... 1.0 ............. 10,000
300ZX ......................... .7 ................. ( 2)
(1) - Secondary resistance cannot be read
on Axxess, Pickup/Pathfinder and 240SX.
(2) - Information not available at time of publication.
HIGH TENSION WIRE RESISTANCE
HIGH TENSION WIRE RESISTANCE
Application (1) Ohms
Plug Wires ................................ 30,000 Maximum
Coil Wire ................................... 7000 Maximum
(1) - Not applicable to Direct Ignition Systems (DIS).
SPARK PLUGS - 4-CYLINDER
SPARK PLUG TYPE - 4-CYLINDER
Application NGK
Axxess .......................................... ZFR5E-11
Pathfinder & Pickup ............................. ZFR5E-11
Pulsar NX ..................................... BCPR5ES-11
Sentra ........................................ BCPR5ES-11
Stanza ........................................ BCPR5ES-11
Van ............................................... BPR5ES
240SX ........................................... ZFR5E-11
SPARK PLUG SPECIFICATIONS - 4-CYLINDER
Gap Torque
Application In. (mm) Ft. Lbs. (N.m)
Axxess ................. .039 (1.0) ...... 14-22 (20-29)
Pathfinder & Pickup .... .033 (.84) ...... 14-22 (20-29)
Pulsar NX .............. .041 (1.04) ..... 14-22 (20-29)
Sentra ................. .041 (1.04) ..... 14-22 (20-29)
Stanza ................. .041 (1.04) ..... 14-22 (20-29)
Van .................... .033 (.84) ...... 14-22 (20-29)
240SX .................. .041 (1.04) ..... 14-22 (20-29)
SPARK PLUGS - V6
SPARK PLUG TYPE - V6
Application NGK
Maxima ......................................... BKR6ES-11
Pathfinder & Pickup ............................... BKR6EY
300ZX ........................................... PFR6B-11
SPARK PLUG SPECIFICATIONS - V6
Gap Torque
Application In. (mm) Ft. Lbs. (N.m)
Maxima ................. .041 (1.04) ..... 14-22 (20-29)
Pathfinder & Pickup .... .041 (1.04) ..... 14-22 (20-29)
300ZX .................. .041 (1.04) ..... 14-22 (20-29)
FIRING ORDER & DISTRIBUTOR ROTATION
Fig. 1: Firing Order & Distributor Rotation (Pathfinder, Pickup
4-Cyl)
Fig. 2: Firing Order & Distributor Rotation (Axxess, 240SX 4-Cyl)
Fig. 3: Firing Order & Distributor Rotation (Pulsar NX 4-Cyl)
Fig. 4: Firing Order & Distributor Rotation (Sentra, Stanza 4-Cyl)
Fig. 5: Firing Order & Distributor Rotation (Van 4-Cylinder)
Fig. 6: Firing Order & Distributor Rotation (V6)
IGNITION TIMING
NOTE: For ignition timing adjustment procedures,
see D - ADJUSTMENTS article.
IGNITION TIMING
IGNITION TIMING - 4-CYLINDER (Degrees BTDC @ RPM)
Application Manual Transmission Automatic Transmission
Axxess ................. 15 @ 650-750 ........... ( 1) 15 @ 650-750
Pathfinder & Pickup .... 10 @ 750-850 ........... ( 1) 10 @ 750-850
Pulsar NX ............... 7 @ 700-900 ........... ( 1) 7 @ 800-1000
Sentra .................. 7 @ 700-900 ........... ( 1) 7 @ 800-1000
Stanza ................. 15 @ 650-750 ........... ( 1) 15 @ 650-750
Van .................... 10 @ 750-850 ........... ( 1) 10 @ 850-950
240SX .................. 15 @ 700-800 ........... ( 1) 15 @ 700-800
(1) - Automatic transmission in Neutral.
V6 IGNITION TIMING (Degrees BTDC @ RPM)
Application Manual Transmission Automatic Transmission
Maxima ................. 15 @ 650-750 ........... ( 1) 15 @ 650-750
Pathfinder & Pickup .... 15 @ 700-800 ........... ( 1) 15 @ 700-800
300ZX .................. 15 @ 650-750 ........... ( 1) 15 @ 720-820
(1) - Automatic transmission in Neutral.
FUEL SYSTEM
REGULATED FUEL PRESSURE
REGULATED FUEL PRESSURE SPECIFICATIONS - 4-CYLINDER
At Idle w/o Vacuum
At Idle w/Vacuum
Application psi (kg/cm ) psi (kg/cm )
Axxess ...................... 43 (3.0) .................. 33 (2.3)
Pathfinder & Pickup ......... 43 (3.0) .................. 33 (2.3)
Pulsar NX ................... 43 (3.0) .................. 34 (2.4)
Sentra ...................... 43 (3.0) .................. 34 (2.4)
Stanza ...................... 44 (3.1) .................. 37 (2.6)
Van ............................ (1) .................... 36 (2.5)
240SX ....................... 43 (3.0) .................. 33 (2.3)
(1) - Information not available at time of publication.
REGULATED FUEL PRESSURE SPECIFICATIONS - V6
At Idle w/o Vacuum
At Idle w/Vacuum
Application psi (kg/cm ) psi (kg/cm )
Maxima ...................... 44 (3.1) .................. 36 (2.5)
Pathfinder & Pickup ......... 44 (3.1) .................. 36 (2.5)
300ZX ....................... 43 (3.0) .................. 36 (2.5)
INJECTOR RESISTANCE
INJECTOR RESISTANCE SPECIFICATIONS
Application Ohms
Axxess ............................................. 10-14
Maxima ............................................. 10-14
Pathfinder & Pickup ................................ 10-15
Pulsar NX ............................................ 1-2
Sentra ............................................... 1-2
Stanza ............................................. 10-15
Van .................................................. 1-2
240SX .............................................. 10-15
300ZX .............................................. 10-14
IDLE SPEED & MIXTURE
NOTE: For idle speed and mixture adjustment procedures, see
D - ADJUSTMENTS article.
IDLE SPEED & CO LEVEL
IDLE SPEED & CO LEVEL - 4-CYLINDER
Application (1) Idle RPM (2) Idle RPM CO Level
Axxess
A/T .............. (3) 650-750 ... (3) 600-700 ......... (5) 5%
M/T ................. 650-750 ..... 600-700 ........... ( 5) 5%
Pathfinder & Pickup
A/T .............. (3) 750-850 ... (3) 700-800 ......... (5) 5%
M/T ................. 750-850 ..... 700-800 ........... ( 5) 5%
Pulsar NX
A/T .............. (3) 800-1000 .... (3) 750-850 ........ 3-10%
M/T ................ 700-900 ..... 675-775 ............ 3-10%
Sentra
A/T .............. (3) 800-1000 ... (3) 750-850 ........ 3-10%
M/T ................ 700-900 ..... 675-775 ............ 3-10%
Stanza
A/T .............. (3) 650-750 .... (3) 600-700 ....... (5) 5%
M/T ................ 650-750 ..... 600-700 ........... ( 5) 5%
Van
A/T .............. (3) 850-950 ...... (4) .............. 1-7%
M/T ................ 750-850 ....... ( 4) .............. 1-7%
240SX
A/T .............. (3) 700-800 .... (3) 650-750 ....... (5) 5%
M/T ................ 700-800 ..... 650-750 ........... ( 5) 5%
(1) - With throttle position sensor connected.
(2) - With throttle position sensor disconnected.
(3) - Automatic transmission in Neutral.
(4) - Idle speed is adjusted only with TPS connected.
(5) - Set CO level to less than 5 percent.
V6 IDLE SPEED & CO LEVEL
Application (1) Idle RPM (2) Idle RPM CO Level
Maxima
A/T ............... (3) 650-750 ..... (3) 700 ........... .2-8%
M/T ................. 650-750 ....... 700 .............. .2-8%
Pathfinder & Pickup
A/T ............... (3) 700-800 .... (3) 700 ........... .2-8%
M/T ................. 700-800 ....... 700 .............. .2-8%
300ZX
A/T ............... (3) 720-820 .... (3) 720 ........... .2-8%
M/T ................. 650-750 ....... 650 .............. .2-8%
(1) - With Auxiliary Air Control (AAC) valve connected.
(2) - With Auxiliary Air Control (AAC) valve disconnected.
(3) - Automatic transmission in Neutral.
IDLE SWITCH ON-OFF (OFF-ON) SPEED
IDLE SWITCH ON-OFF (OFF-ON) SPEED SPECIFICATIONS - 4-CYLINDER
Application Engine RPM
Axxess .......................................... 850-1150
240SX ........................................... 850-1150
Pathfinder & Pickup .................................. ( 1)
Pulsar NX ............................................ ( 1)
Sentra ............................................... ( 1)
Van .................................................. ( 1)
(1) - In self-diagnostic Mode IV. The ECU Green LED comes on
when vehicle speed exceeds 12 MPH.
IDLE SWITCH ON-OFF (OFF-ON) SPEED SPECIFICATIONS - V6
Application Engine RPM
Maxima .......................................... 800-1150
Pathfinder & Pickup ............................. 800-1100
THROTTLE POSITION SENSOR
For adjustment specifications, see the adjustment procedures
in D - ADJUSTMENTS article.
