2008 INFINITI QX56 Factory Service Manual

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Page 2089 of 4083

INFINITI QX56 2008 Factory Service Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGFAX-5
< SYMPTOM DIAGNOSIS >
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troubleshoo

Page 2090 of 4083

INFINITI QX56 2008 Factory Service Manual FAX-6
< ON-VEHICLE MAINTENANCE >
WHEEL HUB
ON-VEHICLE MAINTENANCE
WHEEL HUB
On-Vehicle Inspection and ServiceINFOID:0000000001534450
Make sure the mounting conditions (looseness, backlash) of each com

Page 2091 of 4083

INFINITI QX56 2008 Factory Service Manual WHEEL HUBFAX-7
< REMOVAL AND INSTALLATION >
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REMOVAL AND INSTALLATION
WHEEL HUB
Removal and InstallationINFOID:0000000001534453
REMOVAL
1. Remove wheel and tire using p

Page 2092 of 4083

INFINITI QX56 2008 Factory Service Manual FAX-8
< REMOVAL AND INSTALLATION >
WHEEL HUB
8. Remove splash guard and wheel hub and bearing assembly from steering knuckle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each pa

Page 2093 of 4083

INFINITI QX56 2008 Factory Service Manual DRIVE SHAFTFAX-9
< REMOVAL AND INSTALLATION >
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DRIVE SHAFT
Removal and InstallationINFOID:0000000001534458
REMOVAL
1. Remove wheel and tire using power tool.
2. Remove

Page 2094 of 4083

INFINITI QX56 2008 Factory Service Manual FAX-10
< REMOVAL AND INSTALLATION >
DRIVE SHAFT
INSTALLATION
Installation is in the reverse order of removal.
• Tighten wheel nuts to specification. Refer to WT-48, "
Rotation".
Revision: March 2010

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INFINITI QX56 2008 Factory Service Manual DRIVE SHAFTFAX-11
< DISASSEMBLY AND ASSEMBLY >
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DISASSEMBLY AND ASSEMBLY
DRIVE SHAFT
Disassembly and AssemblyINFOID:0000000001534461
DISASSEMBLY
Final Drive Side
1. Mou

Page 2096 of 4083

INFINITI QX56 2008 Factory Service Manual FAX-12
< DISASSEMBLY AND ASSEMBLY >
DRIVE SHAFT
4. Remove the snap ring, then remove the ball cage, steel ball,inner race assembly from the drive shaft.
5. Remove the boot from the drive shaft.
6. Rem

FAX-12
< DISASSEMBLY AND ASSEMBLY >
DRIVE SHAFT
4. Remove the snap ring, then remove the ball cage, steel ball,inner race assembly from the drive shaft.
5. Remove the boot from the drive shaft.
6. Remove any old grease on the housing using paper towels.
Wheel Side
1. Mount the drive shaft in a vise. CAUTION:
When mounting the drive shaft in a vise, use copp er or aluminum plates between the vise and the
drive shaft.
2. Remove the boot bands, then remove the boot from the joint sub-assembly.
3. Screw a suitable drive shaft puller 30 mm (1.18 in) or more into the threaded part of the joint sub-assembly. Pull the joint sub-
assembly off of the drive shaft as shown.
NOTE:
Align the sliding hammer and drive shaft and remove the joint
sub-assembly by pulling straight out.
CAUTION:
• If the joint sub-assembly cannot be removed after five ormore attempts, replace the drive shaft and joint sub-
assembly as a set.
4. Remove the boot from the drive shaft.
5. Remove the circlip from the drive shaft.
6. While rotating the ball cage, remove any old grease from the joint sub-assembly using paper towels.
INSPECTION AFTER DISASSEMBLY
Drive Shaft
• Replace the drive shaft if there is any runout, cracking, or other damage.
Joint Sub-assembly
• Check for any rough rotation or unusual axial looseness.
• Clean any foreign material from inside the joint sub-assembly.
• Check for any compression scars, cracks, or fractures.
CAUTION:
If any defective conditions are found in the joint sub-assembly comp onents, replace the entire joint
sub-assembly.
Sliding Joint Side Housing
• Check for any compression scars, cracks, fracture s, or unusual wear on the ball rolling surface.
• Check for any damage to the drive shaft screws.
• Check for any deformation of the boot installation components.
Ball Cage
• Check the sliding surface for any compression scars, cracks, or fractures.
Steel Ball
• Check for any compression scars, cr acks, fractures, or unusual wear.
Inner Race
SFA514A
SDIA0606E
Revision: March 2010 2008 QX56

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