Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G35 2006-2007 Approved G35-V35-Coupe-2007 ps

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POWER STEERING SYSTEM

G STEERING

B
SECTION
POWER STEERING SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 3
. SHAFT, HOLE COVER, CLAMP, HOLE COVER F
Precautions for Supplemental Restraint System SEAL, COLLAR AND UPPER JOINT ................ 14 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- REMOVAL OF STEERING COLUMN ASSEM-
SIONER" ................................................................. 3
. BLY ..................................................................... 14
. PS
Precautions for Battery Service ............................... 3 . INSPECTION AFTER REMOVAL OF STEER-
Service Notice or Precautions for Steering System 3 ..... ING COLUMN ASSEMBLY ................................ 15 .
PREPARATION .......................................................... 4
. INSTALLATION OF STEERING COLUMN
H
Special Service Tools .............................................. 4
. ASSEMBLY ........................................................ 15 .
Commercial Service Tools ....................................... 5 . INSPECTION AFTER INSTALLATION OF
NOISE, VIBRATION AND HARSHNESS (NVH) STEERING COLUMN ASSEMBLY .................... 15 .
TROUBLESHOOTING ............................................... 6 . Disassembly and Assembly ................................... 15 . I
NVH Troubleshooting Chart .................................... 6 . COMPONENTS .................................................. 15 .
POWER STEERING FLUID ....................................... 7 . DISASSEMBLY .................................................. 16 .
Checking Fluid Level ............................................... 7
. INSPECTION AFTER DISASSEMBLY ............... 16 . J
Checking Fluid Leakage .......................................... 7 . ASSEMBLY ........................................................ 16 .
Air Bleeding Hydraulic System ................................ 7 . INSPECTION AFTER ASSEMBLY ..................... 16 .
STEERING WHEEL ................................................... 9 . COMPONENTS (ELECTRICITY TYPE) ............. 17 .
K
On-Vehicle Inspection and Service ......................... 9 . DISASSEMBLY .................................................. 18 .
CHECKING CONDITION OF INSTALLATION ..... 9 INSPECTION AFTER DISASSEMBLY ............... 18 .
CHECKING STEERING WHEEL PLAY ............... 9 . ASSEMBLY ........................................................ 18 .
CHECKING NEUTRAL POSITION ON STEER- INSPECTION AFTER ASSEMBLY ..................... 18 . L
ING WHEEL ......................................................... 9
. POWER STEERING GEAR AND LINKAGE ........... 19 .
CHECKING STEERING WHEEL TURNING Removal and Installation ....................................... 19 .
FORCE ................................................................. 9
. COMPONENTS (WITHOUT EPS) ..................... 19 . M
CHECKING FRONT WHEEL TURNING ANGLE 10 ... COMPONENTS (WITH EPS) ............................. 19 .
Removal and Installation ........................................11 . REMOVAL .......................................................... 19 .
REMOVAL ...........................................................11
. INSTALLATION .................................................. 21 .
INSTALLATION ...................................................11. POWER STEERING GEAR ..................................... 22 .
Disassembly and Assembly ...................................11 . Disassembly and Assembly ................................... 22 .
COMPONENTS ..................................................11 . COMPONENTS .................................................. 22 .
DISASSEMBLY .................................................. 12 . DISASSEMBLY .................................................. 23 .
ASSEMBLY ........................................................ 12
. INSPECTION AFTER DISASSEMBLY ............... 24 .
STEERING COLUMN .............................................. 13 . ASSEMBLY ........................................................ 26 .
Removal and Installation ....................................... 13 . POWER STEERING OIL PUMP .............................. 31 .
COMPONENTS ................................................. 13 . On-Vehicle Inspection and Service ........................ 31 .
REMOVAL OF LOWER JOINT, LOWER SHAFT, CHECKING RELIEF OIL PRESSURE ............... 31 .
HOLE COVER, CLAMP, HOLE COVER SEAL, Removal and Installation ....................................... 31 .
COLLAR AND UPPER JOINT ........................... 14 . REMOVAL .......................................................... 31 .
INSTALLATION OF LOWER JOINT, LOWER

Revision: 2006 August PS-1 2007 G35 Coupe
INSTALLATION ................................................... 32
. SERVICE DATA AND SPECIFICATIONS (SDS) .....37 .
Disassembly and Assembly ................................... 32 . Steering Wheel .......................................................37
.
COMPONENTS .................................................. 32
. Steering Angle ........................................................37
.
INSPECTION BEFORE DISASSEMBLY ............ 33 . Steering Column ....................................................37.
DISASSEMBLY .................................................. 33
. Steering Outer Socket and Inner Socket ................37 .
INSPECTION AFTER DISASSEMBLY ............... 33 . Steering Gear .........................................................38
.
ASSEMBLY ........................................................ 34
. Oil Pump ................................................................38
.
HYDRAULIC LINE ................................................... 36
. Steering Fluid .........................................................38
.
Removal and Installation ....................................... 36
.
COMPONENTS .................................................. 36
.

Revision: 2006 August PS-2 2007 G35 Coupe
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" NGS000FO

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 NGS000BD

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
Service Notice or Precautions for Steering System NGS000BE

q In case of removing steering gear assembly, make the final tightening with grounded and unloaded vehi-
cle condition, and then check wheel alignment, J
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. K
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
with their operation. L
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.
Petroleum jelly may be applied to O-rings and seals. Do not use any grease. M
q Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during installation.
Perform functional tests whenever designated.
q The following abbreviations are used.

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