Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2003-2005 Coupe Sedan Approved Infiniti G35 Sedan 2003 ps

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POWER STEERING SYSTEM

G STEERING

B
SECTION
POWER STEERING SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 2 . POWER STEERING GEAR AND LINKAGE ........... 13 . F
Precautions for Supplemental Restraint System Removal and Installation ....................................... 13 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- REMOVAL .......................................................... 13
.
SIONER" ................................................................. 2
. INSTALLATION .................................................. 14 . PS
Precautions for Steering System ............................. 2 . POWER STEERING GEAR ..................................... 15 .
PREPARATION .......................................................... 3 . Component ............................................................ 15
.
Special Service Tools .............................................. 3 . Disassembly and Assembly ................................... 16 .
H
Commercial Service Tools ....................................... 4 . DISASSEMBLY .................................................. 16 .
NOISE, VIBRATION AND HARSHNESS (NVH) INSPECTION ..................................................... 17 .
TROUBLESHOOTING ............................................... 5 . ASSEMBLY ........................................................ 18.
NVH Troubleshooting Chart .................................... 5 . POWER STEERING OIL PUMP .............................. 24 . I
POWER STEERING FLUID ....................................... 6 . On-Vehicle Service ................................................ 24.
Checking Fluid Level ............................................... 6 . CHECKING RELIEF OIL PRESSURE ............... 24 .
Checking Fluid Leakage .......................................... 6 . CHECKING AND ADJUSTING DRIVE BELTS J
Air Bleeding from Hydraulic System ........................ 6 . (FOR POWER STEERING) ............................... 24 .
STEERING WHEEL ................................................... 7 . Removal and Installation ....................................... 24 .
On-Vehicle Service .................................................. 7 . REMOVAL .......................................................... 24
.
K
CHECKING STEERING WHEEL PLAY ............... 7 . INSTALLATION .................................................. 24 .
CHECKING NEUTRAL POSITION ON STEER- Disassembly and Assembly ................................... 25 .
ING WHEEL ......................................................... 7 . PRE-DISASSEMBLY INSPECTION ................... 25 .
CHECKING STEERING WHEEL TURNING DISASSEMBLY .................................................. 25 . L
FORCE ................................................................. 7
. INSPECTION AFTER DISASSEMBLY ............... 26 .
FRONT WHEEL TURNING ANGLE .................... 7 . ASSEMBLY ........................................................ 26.
Removal and Installation ......................................... 8 . HYDRAULIC LINE ................................................... 28 . M
STEERING COLUMN ................................................ 9 . Removal and Installation ....................................... 28 .
Removal and Installation ......................................... 9 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 29 .
REMOVAL OF LOWER JOINT AND HOLE Steering Wheel ...................................................... 29
.
COVER ................................................................ 9
. Steering Angle ....................................................... 29
.
INSTALLATION OF LOWER JOINT AND HOLE Steering Column .................................................... 29
.
COVER .............................................................. 10
. Steering Linkage .................................................... 29
.
REMOVAL OF STEERING COLUMN ASSEM- Steering Gear ........................................................ 30
.
BLY ..................................................................... 10
. Oil Pump ................................................................ 30
.
INSTALLATION OF STEERING COLUMN Steering Fluid ......................................................... 30
.
ASSEMBLY ........................................................ 10 .
Disassembly and Assembly ...................................11 .
DISASSEMBLY ...................................................11 .
INSPECTION AFTER DISASSEMBLY ...............11 .
ASSEMBLY ........................................................ 12 .
INSPECTION AFTER INSTALLATION .............. 12 .

Revision; 2004 April PS-1 2003 G35 Sedan
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AGS0001P

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:
q 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.
q 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.
q 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 System AGS0001M

q Before disassembly, thoroughly clean the outside of the unit.
q 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.
q Place disassembled parts in order, on a parts rack, for easier and proper assembly.
q Use nylon cloths or paper towels to clean the parts; common shop rags can leave lint that might interfere
with their operation.
q Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable solvent.
q Before assembly, apply a coat of recommended Genuine Nissan PSF II or equivalent to hydraulic parts.
Vaseline may be applied to O-rings and seals. Do not use any grease.
q Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during installation.
Perform functional tests whenever designated.

Revision; 2004 April PS-2 2003 G35 Sedan
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools AGS00003

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
B
(Kent - Moore No.) Description
Tool name

ST3127S000 C
(J25765 - A)
Preload gauge
1. GG9103000
D
(J25765 - A)
Torque wrench Inspecting swinging torque and rotating
2. HT62940000 torque for ball joint
(

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