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>> Download PS documenatation <<Text preview - extract from the documentG STEERING
A
B
SECTION
POWER STEERING SYSTEM C
D
E
CONTENTS
PRECAUTIONS ......................................................... 2
. STEERING COLUMN ........................................ 12 . F
Precautions for Supplemental Restraint System Disassembly and Assembly ................................... 13 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Inspection .............................................................. 14
.
SIONER" ................................................................. 2
. TILT MECHANISM ............................................. 14 . PS
Precautions for Steering System ............................. 2 . POWER STEERING GEAR AND LINKAGE ........... 15 .
PREPARATION .......................................................... 3
. Components .......................................................... 15
.
Special Service Tools .............................................. 3
. Removal and Installation ....................................... 16 .
H
Commercial Service Tool ........................................ 5 . Disassembly .......................................................... 18
.
NOISE, VIBRATION, AND HARSHNESS(NVH) Inspection .............................................................. 18
.
TROUBLESHOOTING ............................................... 6 . BOOT ................................................................. 18
.
NVH Troubleshooting Chart .................................... 6 . TIE-ROD OUTER AND INNER SOCKETS ........ 19 . I
ON-VEHICLE SERVICE ............................................ 7 . Assembly ............................................................... 19
.
Checking Steering Wheel Play ................................ 7 . POWER STEERING OIL PUMP .............................. 21 .
Checking Neutral Position on Steering Wheel ........ 7 . QG18DE and QR25DE .......................................... 21 . J
PRE-CHECKING .................................................. 7 . COMPONENTS .................................................. 21 .
CHECKING .......................................................... 7
. PRE-DISASSEMBLY INSPECTION ................... 21 .
Front Wheel Turning Angle ..................................... 7 . DISASSEMBLY .................................................. 22 .
K
Checking Gear Housing Movement ........................ 8 . INSPECTION ..................................................... 22 .
Checking and Adjusting Drive Belts ........................ 8 . ASSEMBLY ........................................................ 22.
Checking Fluid Level ............................................... 8
. HYDRAULIC LINE ................................................... 24 .
Checking Fluid Leakage .......................................... 8 . Removal and Installation ....................................... 24 . L
Bleeding Hydraulic System ..................................... 8 . SERVICE DATA AND SPECIFICATIONS (SDS) ..... 26 .
Checking Steering Wheel Turning Force ................. 9 . General Specifications ........................................... 26 .
Checking Hydraulic System .................................... 9 . Steering Wheel ...................................................... 26
. M
STEERING WHEEL AND STEERING COLUMN .....11 . Steering Column .................................................... 26
.
Components ...........................................................11
. Steering Gear and Linkage .................................... 26 .
Removal and Installation ........................................11 . Power Steering ...................................................... 27
.
STEERING WHEEL ............................................11 .
PS-1
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EGS000FE
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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
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 EGS000FF
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 II 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 EGS000FG
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
KV48101100 Measuring pinion rotating torque
(J26364) C
Torque adapter
D
NT169
ST27180001 Removing steering wheel E
(J25726-B)
Steering wheel puller
F
S-NT544
PS
HT72520000 Removing tie-rod and lower ball joint
(J25730-B) a: 33 mm (1.30 in)
Ball joint remover b: 50 mm (1.97 in)
r: R11.5 mm (0.453 in) H
NT546
I
(J-24319-B) Remove outer tie rod
Tie rod puller
J
K
LGIA0007E
KV48103500 Measuring oil pressure
(J26357 and J26357-10) L
Pressure gauge
M
S-NT547
KV48102500 Measuring oil pressure
(J33914)
Pressure gauge adapter
S-NT542
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
(J44372) Measuring steering wheel turning force
5-60 Pound pull gauge
WST052
(J44183-A) Measuring rack sliding force
20-100 Pound pull gauge
WST052
ST35300000 Installing power steering pump oil seal
( -- ) a: 49 mm (1.93 in) dia.
Drift b: 41 mm (1.61 in) dia.
NT073
(J-44615) Removing and installing accessory air bag
Air Bag Master Key Set bolts.
LRS194
PS-4
PREPARATION
Commercial Service Tool EGS000FH
A
Tool number
Description
Power steering pump attachment Disassembling and assembling power steer-
B
ing pump
Unit: mm (in)
C
S-NT179
D
10 mm Drift Installing power steering pump snap ring
E
LST027 F
PS
H
I
J
K
L
M
PS-5
Symptom
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