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

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POWER STEERING SYSTEM

G STEERING

POWER STEERING SYSTEM
SECTION PS B

E
CONTENTS
PRECAUTIONS ......................................................... 3 . ASSEMBLY ........................................................ 13
. F
Precautions for Supplemental Restraint System INSPECTION AFTER INSTALLATION OF
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- STEERING COLUMN ASSEMBLY .................... 13 .
SIONER" ................................................................. 3
. Disassembly and Assembly ................................... 13 . PS
Precautions for Battery Service ............................... 3 . COMPONENT .................................................... 13.
Precautions for Steering System ............................. 3 . DISASSEMBLY .................................................. 14.
PREPARATION .......................................................... 4 . INSPECTION AFTER DISASSEMBLY ............... 14 .
H
Special Service Tools (SST) .................................... 4 . ASSEMBLY ........................................................ 14
.
Commercial Service Tools ....................................... 5 . INSPECTION AFTER ASSEMBLY ..................... 14 .
NOISE, VIBRATION AND HARSHNESS (NVH) COMPONENT (ELECTRICITY TYPE) ............... 15 .
TROUBLESHOOTING ............................................... 6 . DISASSEMBLY .................................................. 16. I
NVH Troubleshooting Chart .................................... 6 . INSPECTION AFTER DISASSEMBLY ............... 16 .
POWER STEERING FLUID ....................................... 7 . ASSEMBLY ........................................................ 16
.
Checking Fluid Level ............................................... 7 . INSPECTION AFTER ASSEMBLY ..................... 16 . J
Checking Fluid Leakage .......................................... 7 . POWER STEERING GEAR AND LINKAGE ........... 17 .
Air Bleeding Hydraulic System ................................ 7 . Removal and Installation ....................................... 17.
STEERING WHEEL ................................................... 9 . REMOVAL .......................................................... 17
.
K
On-Vehicle Inspection and Service ......................... 9 . INSTALLATION .................................................. 18
.
CHECKING CONDITION OF INSTALLATION ..... 9 POWER STEERING GEAR ..................................... 20 .
CHECKING STEERING WHEEL PLAY ............... 9 . Component ............................................................ 20
.
CHECKING NEUTRAL POSITION ON STEER- Disassembly and Assembly ................................... 21 . L
ING WHEEL ......................................................... 9 . DISASSEMBLY .................................................. 21.
CHECKING STEERING WHEEL TURNING INSPECTION AFTER DISASSEMBLY ............... 22 .
FORCE ................................................................. 9
. ASSEMBLY ........................................................ 23
. M
CHECKING FRONT WHEEL TURNING ANGLE 9 ..... POWER STEERING OIL PUMP .............................. 29 .
Removal and Installation ....................................... 10 . On-Vehicle Inspection and Service ........................ 29 .
STEERING COLUMN ...............................................11 . CHECKING RELIEF OIL PRESSURE ............... 29 .
Removal and Installation ........................................11 . Removal and Installation ....................................... 29.
COMPONENT .....................................................11 . REMOVAL .......................................................... 29
.
REMOVAL OF LOWER JOINT, LOWER SHAFT, INSTALLATION .................................................. 30
.
HOLE COVER, CLAMP, HOLE COVER SEAL, Disassembly and Assembly ................................... 30 .
COLLAR AND UPPER JOINT ............................11 . INSPECTION BEFORE DISASSEMBLY ............ 31 .
INSTALLATION OF LOWER JOINT, LOWER DISASSEMBLY .................................................. 31.
SHAFT, HOLE COVER, CLAMP, HOLE COVER INSPECTION AFTER DISASSEMBLY ............... 31 .
SEAL, COLLAR AND UPPER JOINT ................ 12 . ASSEMBLY ........................................................ 32
.
REMOVAL OF STEERING COLUMN ASSEM- HYDRAULIC LINE ................................................... 34
.
BLY ..................................................................... 12
. Removal and Installation ....................................... 34.
INSPECTION AFTER REMOVAL OF STEER- SERVICE DATA AND SPECIFICATIONS (SDS) ..... 35 .
ING COLUMN ASSEMBLY ................................ 12 . Steering Wheel ...................................................... 35
.
INSTALLATION OF STEERING COLUMN Steering Angle ....................................................... 35
.

Edition: 2004 September PS-1 2005 G35 Coupe
Steering Column .................................................... 35
. Oil Pump ................................................................36
.
Steering Linkage .................................................... 35
. Steering Fluid .........................................................36
.
Steering Gear ........................................................ 36
.

Edition: 2004 September PS-2 2005 G35 Coupe
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AGS000DZ

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along B
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 C
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: D
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. E
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. F
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. PS
Precautions for Battery Service AGS000J8

Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the H
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
I
Precautions for Steering System AGS000E0

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- J
ing contaminated by dirt or other foreign matter.
q For easier and proper assembly, place disassembled parts in order on a parts rack.
q Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere K
with their operation.
q Before inspection or reassembly, carefully clean all parts in order on a parts rack.
q Before assembly, apply a coat of recommended Genuine NISSAN PSF or equivalent to hydraulic parts. L
Petroleum jelly 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. M

Edition: 2004 September PS-3 2005 G35 Coupe
PREPARATION

PREPARATION PFP:00002

Special Service Tools (SST) AGS000E1

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

HT2520000
(J25730-A)
Ball joint remover
Removing outer socket ball joint
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: 11.5 mm (0.453 in)
NT546

ST3127S000
(J25765 - A)
Preload gauge
1.GG9103000
(J25765 - A)
Torque wrench Inspecting of sliding torque, steering torque
2.HT62940000 , and rotating torque for ball joint
(

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