Page 4063 of 4449

RSU-4
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2004 November 2004 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartAES000MI
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
RSU-7RSU-9—
—
—
RSU-7RSU-5RSU-16
NVH in PR section
NVH in RFD section
NVH in FAX and FSU section
NVH in WT section
NVH in WT section
NVH in RAX section
NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom REAR SUSPENSIONNoise×××××× ××××××××
Shake×××× × × ××××××
Vibration××××× × ×× × ×
Shimmy×××× × ××× ××
Judder ××× ××× ××
Poor quality ride or
handling××××× ×× ×××
Page 4067 of 4449

RSU-8
REAR SUSPENSION ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
Removal and InstallationAES000MM
REMOVAL
1. Remove tire with power tool.
2. Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to BR-
25, "REAR DISC BRAKE" .
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3. Remove wheel sensor from rear final drive, then remove wheel sensor harness from rear suspension
member.
4. Remove center muffler and main muffler. Refer to EX-3, "
Removal and Installation" .
5. Remove stabilizer bar. Refer toRSU-16, "
Removal and Installation" .
6. Remove rear propeller shaft. Refer to PR-7, "
Removal and Installation" .
7. Separate attachments between parking brake cable and vehicle and rear suspension member.
8. Remove rear lower link and coil spring. Refer to RSU-15, "
Removal and Installation" .
9. Remove fixing bolt in lower side of shock absorber with power tool.
10. Set jack under rear final drive.
11. Remove fixing bolts and nuts of tunnel stay and member stay with power tool, then remove those parts
from vehicle.
12. Remove fixing bolts and nuts of rear pin stay with power tool and then remove rear pin stay from vehicle.
13. Gradually lowering jack, remove rear suspension assembly.
INSTALLATION
Refer to RSU-7, "Components" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.
Perform final tightening of installation position of links (rubber bushing) under unladen conditions with tires
on level ground. Check wheel alignment. Refer to RSU-5, "
Wheel Alignment Inspection" .
After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-6, "Adjust-
ment of Steering Angle Sensor Neutral Position" .
1. Bushing 2. Mounting seal 3. Mounting seal bracket
4. Distance tube 5. Bound bumper cover 6. Bound bumper
7. Shock absorber 8. Upper seat 9. Coil spring
10. Rubber seat 11. Rear lower link 12. Axle
13. Cotter pin 14. Radius rod 15. Front lower link protector
16. Front lower link 17. Stopper 18. Shock absorber assembly
19. Suspension arm 20. Stabilizer connecting rod mounting
bracket21. Stabilizer connecting rod
22. Rear pin stay 23. Rear suspension member 24. Stabilizer bar
25. Stabilizer bushing 26. Stabilizer clamp 27. Member stay
28. Tunnel stay
Page 4336 of 4449

TROUBLE DIAGNOSIS FOR SYMPTOMS
TF-35
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: 2004 November 2004 FX35/FX45
3. CHECK SYSTEM FOR AWD SOLENOID
Perform trouble diagnoses for AWD solenoid system. Refer to TF-27, "
AWD Solenoid" .
OK or NG
OK >> GO TO 4.
NG >> Repair or replace damaged parts.
4. CHECK ELECTRIC CONTROLLED COUPLING
1. Turn ignition switch “OFF”.
2. Set the selector lever to “N” (neutral) position and disengage the parking brake.
3. Lift up the vehicle.
4. Rotate the rear propeller shaft by hand.
5. Hold front propeller shaft lightly.
Does front propeller shaft rotate?
YES >> Replace electric controlled coupling for mechanical malfunction (clutch sticking etc.). Refer to TF-
45, "Disassembly and Assembly" .
NO >> GO TO 5.
5. CHECK SYMPTOM
Check again.
OK or NG
OK >>INSPECTION END
NG >> GO TO 6.
6. CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-19, "
AWD Control Unit Input/Output Signal Reference
Va l u e s" .
OK or NG
OK >>INSPECTION END
NG >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
Vehicle Does Not Enter AWD Mode Even Though AWD Warning Lamp Turned To
OFF
ADS000U0
DIAGNOSTIC PROCEDURE
1. CHECK AWD SOLENOID
Check AWD solenoid. Refer to TF-29, "
COMPONENT INSPECTION" .
OK or NG
OK >> GO TO 2.
NG >> Replace electric controlled coupling for malfunction of AWD solenoid. Refer to TF-45, "
Disassem-
bly and Assembly" .
2. CHECK AWD CONTROL UNIT
Check AWD control unit input/output signal. Refer to TF-19, "
AWD Control Unit Input/Output Signal Reference
Va l u e s" .
OK or NG
OK >> GO TO 3.
NG >> Check AWD control unit pin terminals for damage or loose connection with harness connector. If
any items are damaged, repair or replace damaged parts.
Page 4340 of 4449
FRONT OIL SEAL
TF-39
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: 2004 November 2004 FX35/FX45
FRONT OIL SEALPFP:38189
Removal and InstallationADS000RP
REMOVAL
1. Remove the drain plug to drain the transfer fluid. Refer to TF-8, "Replacement" .
2. Remove the front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
3. Remove front oil seal using a flat-bladed screwdriver.
CAUTION:
Be careful not to damage the center case.
INSTALLATION
1. Apply multi-purpose grease to oil seal lips. Install the front oil
seal with a drift until the end face of front case.
CAUTION:
Do not reuse front oil seal.
When installing, do not incline the oil seal.
2. Install front propeller shaft. Refer to PR-4, "
FRONT PROPEL-
LER SHAFT" .
3. Install transfer fluid, check fluid level and for fluid leakage. Refer
to TF-8, "
Inspection" .
SDIA1782E
Tool number : ST27862000 ( — )
SDIA1783E
Page 4341 of 4449
TF-40
REAR OIL SEAL
Revision: 2004 November 2004 FX35/FX45
REAR OIL SEALPFP:33140
Removal and InstallationADS000RQ
REMOVAL
1. Remove the rear propeller shaft. Refer to PR-6, "REAR PROPELLER SHAFT" .
2. Remove companion flange lock nut using the flange wrench.
3. Put matching mark on the end of the main shaft corresponding
to the B position matching mark on the companion flange.
CAUTION:
For matching mark, use paint. Do not damage main shaft.
The mark on the transfer companion flange indicates the
maximum vertical runout position.
4. Remove the companion flange using a puller.
5. Remove the rear oil seal using a tool.
CAUTION:
Be careful not to damage the rear case.Tool number : KV38108300 (J44195)
SDIA1784E
SDIA1798E
SDIA1785E
Tool number : KV381054S0 (J34286)
SDIA1786E
Page 4342 of 4449
REAR OIL SEAL
TF-41
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: 2004 November 2004 FX35/FX45
INSTALLATION
1. Apply multi-purpose grease to oil seal lips. Install the rear oil
seal with a drift.
CAUTION:
Do not reuse oil seal.
When installing, do not incline the oil seal.
2. Align the matching mark of main shaft with the matching mark B
of companion flange, then install the companion flange.
3. Using flange wrench, install the companion flange lock nut and
tighten to the specified torque. Refer to TF-44, "
Components" .
CAUTION:
Do not reuse lock nut.
4. Install the rear propeller shaft. Refer to PR-6, "
REAR PROPEL-
LER SHAFT" .
5. Check fluid level. Refer to TF-8, "
Inspection" . Tool number A: ST30720000 (J25405)
B: KV40104830 ( — )
SDIA1688E
Tool number : KV38108300 (J44195)
SDIA1798E
Page 4344 of 4449

TRANSFER ASSEMBLY
TF-43
C
E
F
G
H
I
J
K
L
MA
B
TF
Revision: 2004 November 2004 FX35/FX45
TRANSFER ASSEMBLYPFP:33100
Removal and InstallationADS000RS
REMOVAL
1. Remove tunnel stay. Refer to RSU-17, "REAR SUSPENSION MEMBER" .
2. Remove exhaust front tube. Refer to EX-3, "
EXHAUST SYSTEM" .
3. Remove front and rear propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" and PR-6, "REAR
PROPELLER SHAFT" .
4. Disconnect transfer assembly harness connector and separate harness from transfer assembly.
5. Remove air breather hose. Refer to TF-42, "
AIR BREATHER HOSE" .
6. Support transfer assembly with a jack.
7. Remove engine rear mounting. Refer to EM-110, "
ENGINE ASSEMBLY" (VQ35DE) or EM-236, "ENGINE
ASSEMBLY" (VK45DE).
8. Remove transfer mounting bolts and separate transfer from transmission.
CAUTION:
Secure transfer assembly to a jack.
INSTALLATION
Note the following, and install in the reverse order of removal.
When installing the transfer to the transmission, install the
mounting bolts following the standard below.
After the installation, check the fluid level and for fluid leakage.
Refer to TF-8, "
Inspection" .
Bolt No. 1234
Quantity 4 3 2 1
Bolt length “ ” mm (in)75 (2.95) 45 (1.77) 40 (1.57) 30 (1.18)
Tightening torque
N·m (kg-m, ft-lb)37 (3.8, 27)
SDIA2284E
Page 4360 of 4449

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
WT-3
C
D
F
G
H
I
J
K
L
MA
B
WT
Revision: 2004 November 2004 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartAES000JK
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
FAX-4
, FSU-6 WT-4—
—
—
—
—
—
NVH in PR section
NVH in RFD section
NVH in FAX and FSU section
NVH in RAX and RSU section
Refer to TIRES in this chart.
Refer to ROAD WHEEL in this chart.
NVH in FAX, RAX section
NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Out-of-round
Imbalance
Incorrect tire pressure
Uneven tire wear
Deformation or damage
Non-uniformity
Incorrect tire size
PROPELLER SHAFT
DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKE
STEERING
SymptomTIRESNoise× ×××××× ×××× ××××
Shake× ××××× ×× ×× ××××
Vibration×××××××
Shimmy× ××××××× ×× × ××
Judder× ××××× × ×× × ××
Poor quality ride
or handling× ××××× × ×× ×
ROAD WHEELNoise× ×× × ××××× ×××
Shake× ×× × × ××× ×××
Shimmy, Judder× ×× × ××× ××
Poor quality ride
or handling× ×× × ×××