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G STEERING

B
SECTION
POWER STEERING SYSTEM C

E
CONTENTS
PRECAUTIONS ......................................................... 2
. Disassembly and Assembly ................................... 15 . F
Precautions for Supplemental Restraint System Inspection .............................................................. 15
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- POWER STEERING GEAR AND LINKAGE ........... 16 .
SIONER" ................................................................. 2
. On-Vehicle Service ................................................ 16. PS
Precautions for Steering System ............................. 2 . CHECKING STEERING GEAR .......................... 16 .
PREPARATION .......................................................... 3
. CHECKING STEERING LINKAGE .................... 16 .
Special Service Tools .............................................. 3
. CHECKING GEAR HOUSING MOVEMENT ...... 16 .
H
Commercial Service Tool ........................................ 4 . CHECKING RACK SLIDING FORCE ................. 16 .
NOISE, VIBRATION, AND HARSHNESS (NVH) Removal and Installation ....................................... 17 .
TROUBLESHOOTING ............................................... 5 . REMOVAL .......................................................... 17
.
NVH Troubleshooting Chart .................................... 5 . Disassembly and Assembly ................................... 20 . I
POWER STEERING FLUID ....................................... 6 . DISASSEMBLY .................................................. 20 .
Checking Fluid Level ............................................... 6
. INSPECTION AFTER DISASSEMBLY ............... 20 .
Checking Fluid Leakage .......................................... 6 . ASSEMBLY ........................................................ 21. J
Bleeding Hydraulic System ..................................... 7 . Adjustment for Rack Sliding Force ........................ 22 .
STEERING WHEEL ................................................... 8 . DECREASE ........................................................ 22.
On-Vehicle service .................................................. 8
. INCREASE ......................................................... 22
.
K
CHECKING STEERING WHEEL PLAY ............... 8 . POWER STEERING OIL PUMP .............................. 24 .
CHECKING NEUTRAL POSITION ON STEER- On-Vehicle Service ................................................ 24.
ING WHEEL ......................................................... 8
. CHECKING HYDRAULIC SYSTEM ................... 24 .
CHECKING STEERING WHEEL TURNING Removal and Installation ....................................... 24 . L
FORCE ................................................................. 8
. REMOVAL .......................................................... 24
.
FRONT WHEEL TURNING ANGLE .................... 9 . INSTALLATION .................................................. 24 .
Removal and Installation ......................................... 9. Disassembly and Assembly ................................... 25 . M
REMOVAL ............................................................ 9
. PRE-DISASSEMBLY INSPECTION ................... 25 .
INSTALLATION .................................................... 9
. DISASSEMBLY .................................................. 26 .
HEATED STEERING WHEEL ................................. 10 . ASSEMBLY ........................................................ 26.
Wiring Diagram -- PS-H/STRG -- ........................ 10 . Inspection After Disassembly ................................ 28 .
TILT & TELESCOPIC SYSTEM ................................11 . HYDRAULIC LINE ................................................... 29 .
Removal and Installation ........................................11 . Removal and Installation ....................................... 29 .
TILT MOTOR AND TILT SENSOR ......................11 . REMOVAL .......................................................... 29
.
TELESCOPIC MOTOR AND TELESCOPIC SERVICE DATA AND SPECIFICATIONS (SDS) ..... 30 .
SENSOR ............................................................ 12
. General Specifications ........................................... 30 .
STEERING COLUMN .............................................. 13 . Steering Wheel ...................................................... 30
.
Removal and installation ....................................... 13 . Steering Column .................................................... 30
.
REMOVAL .......................................................... 14
. Steering Gear and Linkage .................................... 30 .
INSTALLATION .................................................. 14. Power Steering ...................................................... 31
.

PS-1
PRECAUTIONS

PRECAUTIONS PFP:00001

Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EGS000HS

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 EGS000HT

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
becoming 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 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 or equivalent to hydraulic
parts. 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 installa-
tion. Perform functional tests whenever designated.

PS-2
PREPARATION

PREPARATION PFP:00002
A
Special Service Tools EGS000HU

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
KV48100700 Measuring pinion rotating torque
(J26364) C
Torque adapter

NT169

KV48102500 Measuring oil pressure E
(J33914)
Pressure gauge adapter

S-NT542
PS
ST27180001 Removing steering wheel
(J25726-A)
Steering wheel puller
H

S-NT544
I
HT72520000 Removing ball joint
(J25730-B) a: 33 mm (1.30 in)
Ball joint remover b: 50 mm (1.97 in) J
r: R11.5 mm (0.453 in)

K
S-NT546

KV48103500 Measuring oil pressure
(J26357 and J26357-10) L
Pressure gauge

S-NT547

KV48104400 Reforming teflon ring
( -- ) a: 50 mm (1.97 in) dia.
Rack seal ring reformer b: 36 mm (1.42 in) dia.
c: 100 mm (3.94 in)

S-NT550

PS-3
PREPARATION

Tool number
(Kent-Moore No.) Description
Tool name
ST3127S000 Measuring turning torque
1 GG91030000
(See J25765-A)
Torque wrench
2 HT62940000
( -- )
Socket adapter
3 HT62900000
( -- ) S-NT541

Socket adapter
(J-44372) Measuring steering wheel turning force
Spring gauge

LST024

(J-44183-A) Measuring rack sliding force
Spring gauge

LST025

Commercial Service Tool EGS000HV

Tool number Description
Oil pump attachment Disassembling and assembling oil pump
Unit: mm (in)

S-NT774

PS-4
Symptom

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