Steering INFINITI FX35 2004 Service Manual

FAX-4
[2WD]
FRONT WHEEL HUB AND KNUCKLE
Revision: 2004 November 2004 FX35/FX45
FRONT WHEEL HUB AND KNUCKLEPFP:40202
On-Vehicle Inspection and ServiceADS000HP
Make sure the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION

Move wheel hub in the axial direction by hand. Make sure there is no looseness of wheel bearing.

Rotate wheel hub and make sure there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace wheel hub and bearing assembly.
Removal and InstallationADS000HQ
REMOVAL
1. Remove tire from vehicle 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-
20, "FRONT DISC BRAKE" .
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3. Remove disc rotor.
4. Remove wheel sensor from wheel hub and bearing assembly. Refer to BRC-57, "
WHEEL SENSORS" .
CAUTION:
Do not pull on wheel sensor harness.
5. Remove cotter pin at steering outer socket, then loosen mounting nut.Axial end play : 0.05 mm (0.002 in) or less
1. Disc rotor 2. Wheel hub and bearing assembly 3. Splash guard
4. Steering knuckle 5. Cotter pin
SDIA1437E

FRONT WHEEL HUB AND KNUCKLE
FAX-5
[2WD]
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: 2004 November 2004 FX35/FX45
6. Use a ball joint remover (SST) to remove steering outer socket
from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
7. Remove cotter pin at transverse link, then loosen mounting nut.
8. Use a ball joint remover (SST) to remove transverse link from
steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
9. Remove fixing bolts and nuts between strut assembly and steer-
ing knuckle with power tool.
10. Remove steering knuckle from vehicle.
11. Remove fixing bolts between steering knuckle and wheel hub
and bearing assembly with power tool.
12. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each parts, replace if necessary.
Ball Joint Inspection

Check for boot breakage, axial looseness, and torque of transverse link and steering outer socket ball
joint. Refer to FSU-14, "
TRANSVERSE LINK" , PS-19, "POWER STEERING GEAR AND LINKAGE" .
INSTALLATION

Refer to FAX-4, "Removal and Installation" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

After removing/installing or replacing axle components, check wheel alignment. Refer to FSU-6, "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" .

Check the following item after service
–Installation condition of wheel sensor harness
SDIA1434E
SDIA1435E

FAX-8
[AWD]
PREPARATION
Revision: 2004 November 2004 FX35/FX45
PREPARATIONPFP:00002
Special Service Tools (SST)ADS000OI
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service ToolsADS000OJ
Tool number
(Kent-Moore No.)
Tool nameDescription
HT72520000
(J25730-A)
Ball joint remover
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: 11.5 mm (0.453 in)

Removing steering outer socket

Removing transverse link
KV381 00500
( — )
Drift
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia.Installing drive shaft plug
KV381 02200
( — )
Drift
a: 90 mm (3.54 in) dia.
b: 31 mm (1.22 in) dia.Installing drive shaft plug
NT546
ZZA0701D
ZZA0920D
Tool name Description
Power tool

Removing wheel nuts

Removing brake caliper assembly

Removing hub lock nut

Removing strut lower side

Removing wheel hub and bearing assembly

Removing undercoverPBIC0190E

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
FAX-9
[AWD]
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: 2004 November 2004 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartADS000OK
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
—
FAX-15—
FAX-10—
FAX-10
NVH in FFD section
NVH in FAX and FSU section
Refer to FRONT AXLE in this chart.
NVH in WT section
NVH in WT section
Refer to DRIVE SHAFT in this chart.
NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
Wheel bearing damage
FRONT DIFFERENTIAL
FRONT AXLE AND FRONT SUSPENSION
FRONT AXLE
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
SymptomDRIVE
SHAFTNoise×× ×××××× ××
Shake×× ×××××××
FRONT
AXLENoise×××× ××××××
Shake××× ××××××
Vibration××× ××××
Shimmy×× ××× ××
Judder××××××
Poor quality ride or handling×× ×××

FAX-10
[AWD]
FRONT WHEEL HUB AND KNUCKLE
Revision: 2004 November 2004 FX35/FX45
FRONT WHEEL HUB AND KNUCKLEPFP:40202
On-Vehicle Inspection and ServiceADS000OL
Make sure the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION

Move wheel hub in the axial direction by hand. Make sure there is no looseness of wheel bearing.

Rotate wheel hub and make sure there is no unusual noise or other irregular conditions. If there are any
irregular conditions, replace wheel hub and bearing assembly.
Removal and InstallationADS000OM
REMOVAL
1. Remove tire from vehicle 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-
20, "FRONT DISC BRAKE" .
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3. Remove disc rotor.
4. Remove wheel sensor from wheel hub and bearing assembly. Refer to BRC-57, "
WHEEL SENSORS" .
CAUTION:
Do not pull on wheel sensor harness.
5. Remove cotter pin at steering outer socket, then loosen mounting nut.Axial end play : 0.05 mm (0.002 in) or less
1. Cotter pin 2. Washer 3. Disc rotor
4. Wheel hub and bearing assembly 5. Splash guard 6. Steering knuckle
SDIA1440E

FRONT WHEEL HUB AND KNUCKLE
FAX-11
[AWD]
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: 2004 November 2004 FX35/FX45
6. Use a ball joint remover (SST) to remove steering outer socket
from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
7. Remove cotter pin at transverse link, then loosen mounting nut.
8. Use a ball joint remover (SST) to remove transverse link from
steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (SST) from com-
ing off.
9. Remove cotter pin, then remove lock nut from drive shaft with
power tool.
10. Remove steering knuckle from drive shaft.
CAUTION:

When removing steering knuckle, do not apply an exces-
sive angle to drive shaft joint. Also be careful not to excessively extend slide joint.

Do not hang over drive shaft without support.
11. Remove fixing bolts and nuts between strut assembly and steering knuckle with power tool.
12. Remove steering knuckle from vehicle.
13. Remove fixing bolts between steering knuckle and wheel hub and bearing assembly with power tool.
14. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each parts, replace if necessary.
Ball Joint Inspection
Check for boot breakage, axial looseness, and torque of transverse link and steering outer socket ball joint.
Refer to FSU-14, "
TRANSVERSE LINK" , PS-19, "POWER STEERING GEAR AND LINKAGE" .
INSTALLATION

Refer to FAX-10, "Removal and Installation" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

After removing/installing or replacing axle components, check wheel alignment. Refer to FSU-6, "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" .

Check the following item after service.
–Installation condition of wheel sensor harness.
SDIA1434E
SDIA1435E

FAX-12
[AWD]
FRONT DRIVE SHAFT
Revision: 2004 November 2004 FX35/FX45
FRONT DRIVE SHAFTPFP:39100
Removal and Installation (Left Side)ADS000ON
REMOVAL
1. Remove tire from vehicle with power tool.
2. Remove undercover with power tool.
3. Remove cotter pin. Then remove lock nut from drive shaft with power tool.
4. Remove wheel sensor harness from strut assembly. Refer to BRC-57, "
WHEEL SENSORS" .
CAUTION:
Do not pull on wheel sensor harness.
5. Remove brake hose lock plate. Then remove brake hose from strut assembly. Refer to BR-11, "
BRAKE
PIPING AND HOSE" .
6. Remove fixing bolts and nuts between strut assembly and steering knuckle with power tool.
7. Remove drive shaft from steering knuckle.
CAUTION:
When removing drive shaft, do not apply an excessive angle to drive shaft joint. Also be careful
not to excessively extend slide joint.
8. Remove fixing bolt of front final drive side assembly drive shaft with power tool, then remove drive shaft
from vehicle.
INSPECTION AFTER REMOVAL

Move joint up/down, left /right, and in the axial direction. Check for any rough movement or significant
looseness.

Check boot for cracks or other damage, and also for grease
leakage.

If a trouble is found, disassemble drive shaft, and then replace
with new one.
INSTALLATION

Refer to FA X - 1 2 , "Removal and Installation (Left Side)" for tightening torque. Install in the reverse order of
removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.

Check the following item after service.
–Installation condition of wheel sensor harness
1. Cotter pin 2. Washer
SDIA1441E
SDIA1046J

FRONT DRIVE SHAFT
FAX-13
[AWD]
C
E
F
G
H
I
J
K
L
MA
B
FA X
Revision: 2004 November 2004 FX35/FX45
Removal and Installation (Right Side)ADS000OO
REMOVAL
1. Remove tire from vehicle with power tool.
2. Remove undercover with power tool.
3. Remove cotter pin. Then remove lock nut from drive shaft with power tool.
4. Remove wheel sensor harness from strut assembly. Refer to BRC-57, "
WHEEL SENSORS" .
CAUTION:
Do not pull on wheel sensor harness.
5. Remove brake hose lock prate. Then remove brake hose from strut assembly. Refer to BR-11, "
BRAKE
PIPING AND HOSE" .
6. Remove fixing bolts and nuts between strut assembly and steering knuckle with power tool.
7. Remove drive shaft from steering knuckle.
CAUTION:
When removing drive shaft, do not apply an excessive angle to drive shaft joint. Also be careful
not to excessively extend slide joint.
8. Pry off drive shaft from front final drive assembly side as shown
in the figure.
INSPECTION AFTER REMOVAL

Move joint up/down, left/right, and in the axial direction. Check for any rough movement or significant
looseness.

Check boot for cracks or other damage, and also for grease
leakage.

If a trouble is found, disassemble drive shaft, and then replace
with new one.
1. Cotter pin 2. Washer
SDIA1442E
SDIA1489E
SFA108A

FFD-6
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2004 November 2004 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartADS000N6
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
Refer to FFD-24, "
INSPECTION
" .
Refer to FFD-30, "
TOOTH CONTACT INSPECTION
" .
Refer to FFD-24, "
INSPECTION
" .
Refer to RFD-13, "
Pre-Inspection
"
—
Refer to MA-31, "
Checking Differential Gear Oil
" .
NVH in PR section.
NVH in FAX, RAX, FSU and RSU sections.
NVH in WT section.
NVH in WT section.
NVH in FAX section.
NVH in BR section.
NVH in PS section.
Possible cause and suspected parts
Rough gear tooth
Improper gear contact
Tooth surfaces worn
Incorrect backlash
Companion flange excessive runout
Improper gear oil
Propeller shaft
Axle and suspension
Tire s
Road wheel
Drive shaft
Brakes
Steering
Symptom Differential Noise×××××××××××××

FFD-10
FRONT FINAL DRIVE ASSEMBLY
Revision: 2004 November 2004 FX35/FX45
FRONT FINAL DRIVE ASSEMBLYPFP:38500
Removal and Installation (VQ35DE)ADS000N9
REMOVAL
1. Remove the three engine mounting bracket upper bolts.
2. Remove the right bank catalytic converter. Refer to EM-26, "
Removal and Installation" .
3. Remove the stabilizer assembly. Refer to FSU-16, "
STABILIZER BAR" .
4. Remove the steering gearbox mounting bolts. Refer to PS-19, "
POWER STEERING GEAR AND LINK-
AGE" .
5. Remove the front drive shaft BOTH. Refer to FAX-12, "
FRONT DRIVE SHAFT" .
6. Remove the side shaft assembly.
7. Remove the front propeller shaft. Refer to PR-4, "
FRONT PROPELLER SHAFT" .
8. Remove the front suspension member. Refer to FSU-17, "
FRONT SUSPENSION MEMBER" .
9. Remove the differential breather hose clamp bolt. Refer to FFD-12, "
REMOVAL AND INSTALLATION
(VQ35DE)" .
10. Remove the mounting bolts and front final drive assembly from the vehicle.
INSTALLATION
Install in the reverse order of removal.
CAUTION:

When installing the side shaft, apply multi-purpose grease to contact surface of side shaft and
side shaft oil seal.

After installation, check the final drive oil level. Refer to
SDIA1586E
1. Insulator 2. Engine mounting bracket 3. Breather joint
4. Breather hose 5. Breather tube 6. Propeller shaft
7. Side shaft 8. Front final drive assembly