2008 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2008 Factory Service Manual RAX-1
TRANSMISSION & DRIVELINE
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SECTION RAX
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CONTENTS
REAR AXLE
PRECAUTION ....... ........................................2
PRECAUTIONS .................................

RAX-1
TRANSMISSION & DRIVELINE
CEF
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SECTION RAX
A
B
RAX
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CONTENTS
REAR AXLE
PRECAUTION ....... ........................................2
PRECAUTIONS .............................................. .....2
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ......
2
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ......
2
Caution ......................................................................3
PREPARATION ............................................4
PREPARATION .............................................. .....4
Special Service Tool ........................................... ......4
Commercial Service Tool ..........................................4
SYMPTOM DIAGNOSIS ...............................5
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING ........................ .....
5
NVH Troubleshooting Chart ................................ ......5
ON-VEHICLE MAINTENANCE .....................6
WHEEL HUB .................................................. .....6
On-Vehicle Inspection and Service ..................... ......6
ON-VEHICLE REPAIR ..................................7
REAR DRIVE SHAFT .........................................7
Component .......................................................... .....7
REMOVAL AND INSTALLATION ................8
WHEEL HUB ......................................................8
Removal and Installation ..................................... .....8
REAR DRIVE SHAFT ........................................10
Removal and Installation .........................................10
DISASSEMBLY AND ASSEMBLY ..............11
REAR DRIVE SHAFT ........................................11
Disassembly and Assembly ................................. ....11
SERVICE DATA AND SPECIFICATIONS
(SDS) ............... .......................................... ...
16
SERVICE DATA AND SPECIFICATIONS
(SDS) .................................................................
16
Wheel Bearing ..................................................... ....16
Drive Shaft ...............................................................16
Boot Bands ..............................................................16
Revision: March 2010 2008 QX56

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INFINITI QX56 2008 Factory Service Manual RAX-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000004886843
The Supplemental Restraint S

RAX-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000004886843
The Supplemental Restraint System such as “A IR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and w hether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inopera tive, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including in correct removal and installation of the SRS, can lead to personal
injury caused by unintent ional activation of the system. For re moval of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipmen t on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harn esses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electri c power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor( s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers , always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minu tes before performing any service.
Precaution Necessary for Steering W heel Rotation After Battery Disconnect
INFOID:0000000004886834
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″LOCK ″ position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery pow er is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables. NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the ″ACC ″ position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be rotated.
4. Perform the necessary repair operation.
Revision: March 2010 2008 QX56

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INFINITI QX56 2008 Factory Service Manual PRECAUTIONSRAX-3
< PRECAUTION >
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5. When the repair work is completed, return the ignition switch to the ″LOCK ″ position before connecting
the battery cables. (At

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INFINITI QX56 2008 Factory Service Manual RAX-4
< PREPARATION >
PREPARATION
PREPARATION
PREPARATION
Special Service ToolINFOID:0000000001534573
The actual shapes of the Kent-Moore tools may differ from those of the special service tools illus

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

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INFINITI QX56 2008 Factory Service Manual RAX-6
< ON-VEHICLE MAINTENANCE >
WHEEL HUB
ON-VEHICLE MAINTENANCE
WHEEL HUB
On-Vehicle Inspection and ServiceINFOID:0000000001534578
Inspect the components for any looseness or back lash. Inspect each

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INFINITI QX56 2008 Factory Service Manual REAR DRIVE SHAFTRAX-7
< ON-VEHICLE REPAIR >
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ON-VEHICLE REPAIR
REAR DRIVE SHAFT
ComponentINFOID:0000000001534582
Rear Drive Shaft
WDIA0263E
1. Rear final drive assembly

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INFINITI QX56 2008 Factory Service Manual RAX-8
< REMOVAL AND INSTALLATION >
WHEEL HUB
REMOVAL AND INSTALLATION
WHEEL HUB
Removal and InstallationINFOID:0000000001534581
Rear Wheel Hub and Bearing Assembly
NOTE:
The rear ABS sensor is routed

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