2006 INFINITI QX56 Factory Service Manual

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Page 2729 of 3383

INFINITI QX56 2006 Factory Service Manual PR-10
REAR PROPELLER SHAFT
Revision: November 20092006 QX56
Disassembly and AssemblyEDS001WA
DISASSEMBLY
Journal
1. Put matching marks on the rear propeller shaft and flange yoke
as shown.
CAUTION:
Fo

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INFINITI QX56 2006 Factory Service Manual REAR PROPELLER SHAFTPR-11
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Revision: November 2009 2006 QX56
ASSEMBLY
Journal
1. Assemble the journal bearings. Apply multipurpose grease on
the bearing inner surface.
NOTE:
D

Page 2731 of 3383

INFINITI QX56 2006 Factory Service Manual PR-12
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: November 20092006 QX56
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
General SpecificationsEDS001WB
4X2 Model
4X4 Model
Applied modelVK56DE
Prope

Page 2732 of 3383

INFINITI QX56 2006 Factory Service Manual SERVICE DATA AND SPECIFICATIONS (SDS)PR-13
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Revision: November 2009 2006 QX56
Snap RingEDS001WC
Model 2F1310
Unit: mm (in)
*Always check with the Parts Department for the late

Page 2733 of 3383

INFINITI QX56 2006 Factory Service Manual PR-14
SERVICE DATA AND SPECIFICATIONS (SDS)
Revision: November 20092006 QX56

Page 2734 of 3383

INFINITI QX56 2006 Factory Service Manual PS-1
POWER STEERING SYSTEM
G STEERING
CONTENTS
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Revision: November 2009 2006 QX56
PRECAUTIONS .....................................................
..... 2
Precautio

PS-1
POWER STEERING SYSTEM
G STEERING
CONTENTS
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Revision: November 2009 2006 QX56
PRECAUTIONS .....................................................
..... 2
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ..... 2
Precautions for Steering System ......................... ..... 2
PREPARATION ...................................................... ..... 3
Special Service Tools (SST) ................................ ..... 3
Commercial Service Tools ................................... ..... 4
NOISE, VIBRATION, AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 5
NVH Troubleshooting Chart ................................ ..... 5
POWER STEERING FLUID ................................... ..... 6
Checking Fluid Level ........................................... ..... 6
Checking Fluid Leakage ...................................... ..... 6
Air Bleeding Hydraulic System ............................ ..... 6
STEERING WHEEL .................................................... 7 On-Vehicle Inspection and Service ..................... ..... 7
CHECKING CONDITION OF INSTALLATION . ..... 7
CHECKING STEERING WHEEL PLAY ........... ..... 7
CHECKING NEUTRAL POSITION ON STEER-
ING WHEEL ..................................................... ..... 7
CHECKING STEERING WHEEL TURNING
FORCE ............................................................. ..... 7
CHECKING FRONT WHEEL TURNING ANGLE ..... 8
Removal and Installation ..................................... ..... 8
REMOVAL ........................................................ ..... 8
INSTALLATION ................................................ ..... 8
TILT SYSTEM ............................................................. 9 Removal and Installation ..................................... ..... 9
TILT MOTOR AND TILT SENSOR ................... ..... 9
STEERING COLUMN ............................................ ... 10
Removal and Installation ..................................... ... 10
REMOVAL ........................................................ ... 10
INSPECTION AFTER REMOVAL .................... .... 11
INSTALLATION ................................................ .... 11INSPECTION AFTER INSTALLATION .............
... 12
Disassembly and Assembly ................................. ... 13
DISASSEMBLY ................................................ ... 13
ASSEMBLY ...................................................... ... 14
INSPECTION AFTER ASSEMBLY ................... ... 14
POWER STEERING GEAR AND LINKAGE ......... ... 15
Removal and Installation ..................................... ... 15
REMOVAL ........................................................ ... 15
INSTALLATION ................................................ ... 16
INSPECTION AFTER INSTALLATION ............. ... 17
Disassembly and Assembly ................................. ... 17
DISASSEMBLY ................................................ ... 17
INSPECTION AFTER DISASSEMBLY ............. ... 18
ASSEMBLY ...................................................... ... 19
POWER STEERING OIL PUMP ............................ ... 21
On-Vehicle Inspection and Service ...................... ... 21
CHECKING RELIEF OIL PRESSURE ............. ... 21
Removal and Installation ..................................... ... 21
REMOVAL ........................................................ ... 21
INSTALLATION ................................................ ... 21
Disassembly and Assembly ................................. ... 22
INSPECTION BEFORE DISASSEMBLY .......... ... 22
DISASSEMBLY ................................................ ... 22
INSPECTION AFTER DISASSEMBLY ............. ... 22
ASSEMBLY ...................................................... ... 22
HYDRAULIC LINE ................................................. ... 23
Removal and Installation ..................................... ... 23
SERVICE DATA AND SPECIFICATIONS (SDS) ... ... 25
Steering Wheel .................................................... ... 25
Steering Column .................................................. ... 25
Steering Outer Socket and Inner Socket ............. ... 26
Steering Gear ...................................................... ... 27
Oil Pump ................................................................. 27
Steering Fluid .......................................................... 27

Page 2735 of 3383

INFINITI QX56 2006 Factory Service Manual PS-2
PRECAUTIONS
Revision: November 20092006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EGS000U4
The Supplemental Re

PS-2
PRECAUTIONS
Revision: November 20092006 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EGS000U4
The Supplemental Restraint System such as “AIR 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 whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
To avoid rendering the SRS inoperative, 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 per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Steering SystemEGS000U5
Before disassembly, thoroughly clean the outside of the unit.
Disassembly should be done in a clean work area. It is important to prevent the internal parts from becom-
ing contaminated by dirt or other foreign matter.
For easier and proper assembly, place disassembled parts in order on a parts rack.
Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere
with their operation.
Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable solvent.
Before assembly, apply a coat of recommended Genuine NISSAN PSF or equivalent to hydraulic parts.
Petroleum jelly may be applied to O-rings and seals. Do not use any grease.
Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during installation.
Perform functional tests whenever designated.

Page 2736 of 3383

INFINITI QX56 2006 Factory Service Manual PREPARATIONPS-3
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Revision: November 2009 2006 QX56
PREPARATIONPFP:00002
Special Service Tools (SST)EGS00121
The actual shapes of Kent-Moore tools may differ from those of spec

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