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G STEERING
A
B
SECTION
POWER STEERING SYSTEM C
D
E
CONTENTS
PRECAUTIONS ......................................................... 2
. Disassembly and Assembly ................................... 12 . F
Precautions for Supplemental Restraint System Inspection .............................................................. 13
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- TILT MECHANISM ............................................. 13 .
SIONER" ................................................................. 2
. POWER STEERING GEAR (MODEL: D600) .......... 14 . PS
Precautions for Steering System ............................. 2 . Description ............................................................. 14
.
PREPARATION .......................................................... 3
. Removal and Installation ....................................... 15 .
Special Service Tools .............................................. 3
. Inspection and Adjustment .................................... 15 .
H
POWER STEERING ............................................ 3 . TURNING TORQUE MEASUREMENT .............. 15 .
NOISE, VIBRATION, AND HARSHNESS (NVH) POWER STEERING OIL PUMP .............................. 17 .
TROUBLESHOOTING ............................................... 5 . Components .......................................................... 17
.
NVH Troubleshooting Chart .................................... 5 . Pre-disassembly Inspection ................................... 17 . I
ON-VEHICLE SERVICE ............................................ 6 . Disassembly .......................................................... 17
.
Steering System ...................................................... 6
. Inspection .............................................................. 18
.
Checking Steering Wheel Play ................................ 6 . Assembly ............................................................... 18
. J
Checking Neutral Position on Steering Wheel ........ 7 . STEERING LINKAGE .............................................. 20 .
PRE-CHECKING .................................................. 7 . Components .......................................................... 20
.
CHECKING .......................................................... 7
. Removal and Installation ....................................... 20 .
K
Checking Front Wheel Turning Angle ..................... 7 . Disassembly and Assembly ................................... 21 .
Checking and Adjusting Drive Belts ........................ 7 . IDLER ARM ASSEMBLY .................................... 21 .
Checking Fluid Level ............................................... 7
. CROSS ROD AND TIE-ROD ............................. 21 .
Checking Fluid Leakage .......................................... 8 . Inspection .............................................................. 22
. L
Bleeding Hydraulic System ..................................... 8 . BALL JOINT AND SWIVEL JOINT ..................... 22 .
Checking Steering Wheel Turning Force ................. 8 . IDLER ARM ASSEMBLY .................................... 22 .
Checking Hydraulic System .................................... 9 . CROSS ROD AND TIE-ROD ............................. 22 . M
STEERING WHEEL AND STEERING COLUMN .... 10 . FIXING LOCATION ............................................ 22 .
Components .......................................................... 10
. SERVICE DATA AND SPECIFICATIONS (SDS) ..... 23 .
Removal and Installation ....................................... 10 . General Specifications ........................................... 23 .
STEERING WHEEL ........................................... 10 . Steering Wheel ...................................................... 23
.
STEERING COLUMN .........................................11 . Steering Column .................................................... 23
.
Power Steering Gear ............................................. 23 .
Steering Linkage .................................................... 24
.
PS-1
PRECAUTIONS
PRECAUTIONS PFP:00001
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EGS000HR
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 EGS000EG
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 power steering fluid* 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.
*: Genuine NISSAN PSF II or equivalent. Refer to MA-12, "Recommended Fluids and Lubricants" .
PS-2
PREPARATION
PREPARATION PFP:00002
A
Special Service Tools EGS000EH
POWER STEERING
The actual shape of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number B
(Kent-Moore No.) Description
Tool name
ST27180001 Removing steering wheel C
(J25726-A)
Steering wheel puller
D
S-NT544
E
HT72520000 Removing ball joint and swivel joint
(J25730-B) a: 33 mm (1.30 in)
Ball joint remover b: 50 mm (1.97 in)
r: 11.5 mm (0.453 in) F
NT546
PS
ST29020001 Removing pitman arm
(J24319-01) a: 34 mm (1.34 in)
Steering gear arm puller b: 6.5 mm (0.256 in) H
c: 61.5 mm (2.421 in)
I
NT694
KV48100700 Adjusting worm bearing preload
(J26364) J
Torque adapter
K
NT169
ST3127S000 Measuring turning torque L
(see J25765-A)
1: GG91030000
(J25765-A)
Torque wrench M
2: HT62940000
( -- )
Socket adapter S-NT541
3: HT62900000
( -- )
Socket adapter
KV48100301 Steering gear installation.
( -- ) a: 162 mm (6.38 in)
Strut & steering gearbox attachment b: 110 mm (4.33 in)
c: 190 mm (7.48 in)
d: 9 mm (0.35 in)
NT688
PS-3
PREPARATION
(J44372) Measuring steering wheel turning force
5 - 60 Pound pull gauge
LST024
KV48103500 Measuring oil pressure
(J26357 or J26357-10)
Pressure gauge
NT547
KV48102500 Measuring oil pressure
(J33914) (Use with KV48103500)
Pressure gauge adapter
S-NT542
KV481009S0 Installing oil seal
( -- )
Oil seal drift set
1: KV48100910
( -- )
Drift
2: KV48100920
(J26367) NT174
Adapter
3: KV48100930
(J26367)
Adapter
PS-4
Symptom
X: Applicable
Reference page
(Possible cause)
SUSPECTED PARTS
STEERING
Noise
Shake
Judder
Shimmy
Vibration
NVH Troubleshooting Chart
Fluid level PS-7
X
Air in hydraulic system PS-9
X
Tie-rod ball joint swinging force PS-22
X
Tie-rod ball joint rotating torque PS-22
X
Tie-rod ball joint end play PS-22
X
Steering gear fluid leakage PS-8
X
PS-5
Steering wheel play PS-6
X
Steering gear turning force PS-15
X
Drive belt looseness MA-15, "Checking Drive Belts", MA-24, "Checking Drive Belts"
X
Improper steering wheel --
X
X
X
Improper installation or looseness of tilt lock lever PS-13
X
X
X
Steering column deformation or damage PS-13
X
Improper installation or looseness of steering column PS-11
X
Steering linkage looseness PS-22
X
X
PROPELLER SHAFT PR-3, "NVH Troubleshooting Chart"
X
X
X
DIFFERENTIAL FFD-5, "(NVH) Troubleshooting Chart"
X
DRIVE SHAFT PR-3, "NVH Troubleshooting Chart"
X
X
X
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
AXLE FAX-4, "NVH Troubleshooting Chart"
X
X
X
X
X
SUSPENSION FSU-4, "NVH Troubleshooting Chart"
X
X
X
X
X
NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING
TIRES WT-3, "NVH Troubleshooting Chart"
X
X
X
X
X
ROAD WHEEL WT-3, "NVH Troubleshooting Chart"
X
X
X
X BRAKES BR-5, "NVH Troubleshooting Chart"
X
X
X
X
PFP:00003
EGS000EI
I
J
L
F
K
E
B
A
H
D
C
PS
M
ON-VEHICLE SERVICE
ON-VEHICLE SERVICE PFP:00000
Steering System EGS000EJ
WGIA0021E
1. Steering wheel 2. Tilt mechanism (if equipped) 3. Steering gear assembly
4. Steering linkage 5. Power steering oil tank 6. Power steering oil pump
7. Steering column
Checking Steering Wheel Play EGS000EK
q Place wheels in straight ahead position and check steering
wheel play.
Steering wheel play : 35 mm (1.38 in) or less
q If steering wheel play is not within specification, check the fol-
lowing for loose or worn components.
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