2007 INFINITI QX56 wheel

PS-16
< SERVICE INFORMATION >
POWER STEERING GEAR AND LINKAGE
7. Remove steering outer socket from steering knuckle using Tool.
Be careful not to damage ball joint boot.
CAUTION:
Temporarily tighten mounting nut to prevent damage to
threads and to prevent Tool from coming off.
8. On 2WD model, remove stabilizer bar mounting bolts and reposition stabilizer bar. Refer to FSU-12,
"Removal and Installation" .
9. Remove oil piping (high pressure side and low pressure side)
from steering gear assembly, then drain fluid from piping.
10. Remove lower joint mounting bolt of lower joint shaft.
11. Remove nuts of steering gear assembly using power tool, then
remove bolts and steering gear assembly.
INSTALLATION
Installation is in the reverse order of removal.
• After removing/installing or replacing steering components, check wheel alignment. Refer to FSU-6, "
Front
Wheel Alignment" .
• After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-54, "
Adjust-
ment of Steering Angle Sensor Neutral Position" . Tool number : HT72520000 (J-25730-A)
SDIA1434E
LGIA0032E
LGIA0029E
LGIA0024E

POWER STEERING GEAR AND LINKAGE
PS-17
< SERVICE INFORMATION >
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• With steering wheel in straight ahead position, make sure slit of
lower joint fits with the projection on rear cover cap, while checking
that mark on steering gear assembly aligns with mark on rear
cover cap
• After installation, bleed the air from the steering hydraulic system. Refer to PS-6, "
Air Bleeding Hydraulic
System" .
INSPECTION AFTER INSTALLATION
Check if steering wheel turns smoothly when it is turned several times fully to the left and right lock positions.
Disassembly and AssemblyINFOID:0000000003532830
CAUTION:
• Secure steering gear assembly with a vise, using copper plates or something similar to prevent it
from being damaged. Do not grip cylinder with a vise.
SST491C
1. Boot clamp 2. Inner socket 3. Boot
4. Boot clamp 5. Outer socket 6. Cylinder tubes
7. Gear housing assembly 8. Connector
WGIA0128E

SERVICE DATA AND SPECIFICATIONS (SDS)
PS-25
< SERVICE INFORMATION >
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SERVICE DATA AND SPECIFICATIONS (SDS)
Steering WheelINFOID:0000000003532835
Steering ColumnINFOID:0000000003532836
Inspection After Assembly
Unit: mm (in)
Inspection After Removal
Unit: mm (in)
Inspection After Installation
End play of the axial direction for steering wheel 0 mm (0 in)
Steering wheel play on the outer circumference 0 − 35 mm (0 − 1.38 in)
Steering wheel turning force 39 N (4 kg-f, 9 lb-f) or less
Steering column length “L”610 (24.02)
WGIA0080E
Steering column length “L2”262 (10.31)
Steering column length “L1” 158 (6.22)
Range “A”61.3 mm (2.41 in)
SGIA0475E
WGIA0083E

RAX-1
DRIVELINE/AXLE
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SECTION RAX
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CONTENTS
REAR AXLE
SERVICE INFORMATION ............................2
PRECAUTIONS ...................................................2
Caution ......................................................................2
PREPARATION ...................................................3
Special Service Tool .................................................3
Commercial Service Tool ..........................................3
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING .............................
4
NVH Troubleshooting Chart ......................................4
WHEEL HUB ......................................................5
On-Vehicle Inspection and Service ..........................5
Removal and Installation ..........................................5
REAR DRIVE SHAFT .........................................7
Component ...............................................................7
Removal and Installation ..........................................7
Disassembly and Assembly ......................................8
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
14
Wheel Bearing .........................................................14
Drive Shaft ...............................................................14

RAX-4
< SERVICE INFORMATION >
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000003532623
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference page
—
RAX-7RAX-7—
RAX-5—
RFD-7, "
NVH Troubleshooting Chart
"
FAX-4, "
NVH Troubleshooting Chart
"
FSU-4, "
NVH Troubleshooting Chart
"
RSU-4, "
NVH Troubleshooting Chart
"
WT-4, "
NVH Troubleshooting Chart
"
WT-4, "
NVH Troubleshooting Chart
"
PR-3, "
NVH Troubleshooting Chart
"
BR-4, "
NVH Troubleshooting Chart
"
PS-5, "
NVH Troubleshooting Chart
"
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
DIFFERENTIAL
FRONT AXLE
FRONT SUSPENSION
REAR SUSPENSION
TIRES
ROAD WHEEL
PROPELLER SHAFT
BRAKES
STEERING
SymptomNoise×× ×× ××× ×××××
Shake× × ×× ×× ×××××
Vibration×× ××× ××× ×
Shimmy×× ×× ×× ××
Shudder×××××××
Poor quality ride or handling×× ××× ×× ×

WHEEL HUB
RAX-5
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WHEEL HUB
On-Vehicle Inspection and ServiceINFOID:0000000003532624
Inspect the components for any looseness or back lash. Inspect each component for any excessive wear or
damage. Replace any components as necessary.
WHEEL BEARING INSPECTION
• Move the wheel hub and bearing assembly in the axial direction by hand to check the axial end play. Check
that the axial end play is with specification. Replace the wheel hub and bearing assembly as necessary.
• Rotate the wheel hub and bearing assembly to check that there are no unusual noises or other abnormal
conditions. Replace the wheel hub and bearing assembly as necessary.
Removal and InstallationINFOID:0000000003532625
Rear Wheel Hub and Bearing Assembly
NOTE:
The rear ABS sensor is routed through the back of the rear backing plate and into the side of the wheel hub
and bearing assembly. It is necessary to remove the wheel hub and bearing assembly to remove the rear ABS
sensor.
REMOVAL
1. Remove the wheel and tire using power tool.
2. Remove the rear brake caliper, without disconnecting the hydraulic hose, using power tool. Reposition the
rear brake caliper aside using suitable wire. Refer to BR-19, "
Removal and Installation of Brake Caliper
and Disc Rotor".
NOTE:
• Do not depress the brake pedal while the brake caliper is removed.
3. Remove the rear disc rotor.Axial end play : 0 mm (0 in)
WDIA0189E
1. Back plate 2. Rear ABS sensor 3. Wheel hub and bearing assembly
4. Wheel stud 5. Rear disc rotor 6. Cotter pin

RAX-6
< SERVICE INFORMATION >
WHEEL HUB
4. Remove the cotter pin, then remove the nut from the drive shaft
using power tool.
• Discard the cotter pin, use a new one for installation.
5. Remove the drive shaft. Refer to RAX-7, "
Removal and Installa-
tion".
6. Remove the four wheel hub and bearing assembly bolts using power tool.
• Discard the four wheel hub and bearing assembly bolts, use new ones for installation.
7. Pull out the wheel hub and bearing assembly for access to
remove the rear ABS sensor from the wheel hub and bearing
assembly as shown.
• Inspect the ABS sensor O-ring, replace the ABS sensor
assembly if damaged.
• Clean the ABS sensor hole and mounting surface with a suit-
able brake cleaner and a clean lint-free shop rag. Be careful
that dirt and debris do not enter the axle bearing area.
• Apply a coat of suitable grease to the ABS sensor O-ring and
mounting hole.
CAUTION:
Do not pull on the ABS harness.
8. Remove the wheel hub and bearing assembly.
INSTALLATION
Installation is in the reverse order of removal.
• Apply grease 44003 7S000 to contact surface between wheel hub
and drive shaft. Use sufficient grease to completely coat contact
area.
• Inspect the ABS sensor O-ring, replace the ABS sensor assembly
if damaged.
• Clean the ABS sensor hole and mounting surface with a suitable
brake cleaner and a clean lint-free shop rag. Be careful that dirt
and debris do not enter the axle bearing area.
• Apply a coat of suitable grease to the ABS sensor O-ring and
mounting hole.
• Use a new cotter pin for installation.
• Use new wheel hub and bearing assembly bolts for installation.
LDIA0050E
LDIA0052E
WDIA0291E

REAR DRIVE SHAFT
RAX-7
< SERVICE INFORMATION >
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REAR DRIVE SHAFT
ComponentINFOID:0000000003532626
Rear Drive Shaft
Removal and InstallationINFOID:0000000003532627
REMOVAL
1. Remove the wheel and tire using power tool.
2. Remove the stabilizer bar clamp. Refer to RSU-21, "
Component".
3. Remove the cotter pin and discard, then remove the drive shaft
nut from the drive shaft.
• Do not reuse the cotter pin, discard after removal and use a
new cotter pin for installation.
4. Remove the six bolts from the inside flange of the drive shaft using power tool.
• Do not reuse the drive shaft inside flange bolts, discard after removal and use new bolts for installation.
WDIA0263E
1. Rear final drive assembly 2. Rear drive shaft 3. Rear brake and hub assembly
4. Cotter pin
LDIA0050E