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STEERING SYSTEM
ST
GI
SECTION MA
EM
LC
CONTENTS
EC
PRECAUTIONS AND PREPARATION....................... 2 Checking Hydraulic System.................................... 9
Supplemental Restraint System (SRS) ``AIR STEERING WHEEL AND STEERING COLUMN..... 10
BAG'' and ``SEAT BELT PRE-TENSIONER''.......... 2 Steering Wheel ..................................................... 10 FE
Precautions for Steering System ............................ 2 Steering Column ................................................... 11
Special Service Tools.............................................. 3 Disassembly and Assembly .................................. 12
Commercial Service Tools ...................................... 4 Inspection.............................................................. 13
CL
NOISE, VIBRATION AND HARSHNESS (NVH) POWER STEERING GEAR AND LINKAGE ........... 14
TROUBLESHOOTING ................................................ 5 Removal and Installation ...................................... 14 MT
NVH Troubleshooting Chart.................................... 5 Disassembly.......................................................... 17
ON-VEHICLE SERVICE ............................................. 6 Inspection.............................................................. 17
Checking and Adjusting Drive Belts ....................... 6 Assembly............................................................... 18 AT
Checking Fluid Level .............................................. 6 POWER STEERING PUMP...................................... 20
Checking Fluid Leakage ......................................... 6 Pre-disassembly Inspection .................................. 20
Bleeding Hydraulic System..................................... 7 Inspection.............................................................. 21 FA
Checking Steering Wheel Turning Force................ 7 Disassembly.......................................................... 21
Checking Steering Wheel Play ............................... 8 Assembly............................................................... 22 RA
Checking Neutral Position on Steering Wheel ....... 8 SERVICE DATA AND SPECIFICATIONS (SDS) ..... 24
Front Wheel Turning Angle ..................................... 8 General Specifications .......................................... 24
Checking Gear Housing Movement........................ 8 Inspection and Adjustment.................................... 24 BR
ST
RS
BT
HA
EL
IDX
PRECAUTIONS AND PREPARATION
Supplemental Restraint System (SRS) ``AIR
BAG'' and ``SEAT BELT PRE-TENSIONER''
The Supplemental Restraint System such as ``AIR BAG'' and ``SEAT BELT PRE-TENSIONER'' used along
with a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. The SRS composition which is available to NISSAN MODEL L30 is as follows (the
composition varies according to the destination and optional equipment):
b For a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the
steering wheel), front passenger air bag module (located on the instrument panel on passenger side),
front seat belt pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
b For a side collision
The Supplemental Restraint System consists of front side air bag module (located in the outer side
of front seat), side air bag (satellite) sensor, diagnosis sensor unit (one of components of air bags for
a frontal collision), wiring harness, warning lamp (one of components of air bags for a frontal colli-
sion).
Information necessary to service the system safely is included in the RS section of this Service Manual.
WARNING:
b 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 should
be performed by an authorized NISSAN dealer.
b Improper maintenance, including incorrect removal and installation of the SRS, can lead to
personal injury caused by unintentional activation of the system. For removal of Spiral Cable
and Air Bag Module, see the RS section.
b Do not use electrical test equipment on any circuit related to the SRS unless instructed to in
this Service Manual. Spiral cable and wiring harnesses (except ``SEAT BELT PRE-TEN-
SIONER'') covered with yellow insulation either just before the harness connectors or for the
complete harness are related to the SRS.
Precautions for Steering System
b Before disassembly, thoroughly clean the outside of the unit.
b 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.
b For easier and proper assembly, place disassembled parts in order on a parts rack.
b Use nylon cloths or paper towels to clean the parts; common shop rags can leave lint that
might interfere with their operation.
b Before inspection or reassembly, carefully clean all parts with a general purpose, non-flam-
mable solvent.
b 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.
b Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during
installation. Perform functional tests whenever designated.
*: Genuine NISSAN PSF, Canada NISSAN Automatic Transmission Fluid, DexronTMIII/MerconTM, or equivalent ATF may
also be used.
ST-2
PRECAUTIONS AND PREPARATION
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
GI
Tool number
(Kent-Moore No.) Description
Tool name
MA
KV48100700 Measuring pinion rotating torque
(J26364)
Torque adapter EM
NT169
KV48102500 Measuring oil pressure LC
(J33914)
Pressure gauge adapter
EC
FE
NT542
ST27180001 Removing steering wheel
(J25726-A) CL
Steering wheel puller
MT
NT544 AT
HT72520000 Removing ball joint
(J25730-B)
Ball joint remover
FA
a: 33 mm (1.30 in)
b: 50 mm (1.97 in) RA
NT546 r: R11.5 mm (0.453 in)
KV48103500 Measuring oil pressure
BR
(J26357 and J26357-10)
Pressure gauge
ST
NT547
RS
ST3127S000 Measuring turning torque
(See J25765-A)
1 GG91030000
BT
(J25765-A)
Torque wrench
2 HT62940000
( -- )
HA
Socket adapter
3 HT62900000
( -- )
EL
Socket adapter NT541
IDX
ST-3
PRECAUTIONS AND PREPARATION
Special Service Tools (Cont'd)
(J44372) Measuring steering wheel turning force
5-60 Pound pull gauge
WST052
(J44183-A) Measuring rack sliding force
20-100 Pound pull gauge
WST052
(J-45033) Loosen steering rack sliding force adjustment
Steering rack lock nut screw lock nut
remover
LST079
(J-44946) Adjust steering rack sliding force
Steering rack hex tool
LST080
(J-24319-B) Remove outer tie rod
Tie rod puller
LST081
ST-4
Symptom
Tool name
X : Applicable
Reference page
Pump oil seal drift
Possible cause and
Noise
Shake
Oil pump attachment
Judder
SUSPECTED PARTS
Shimmy
Vibration
NT179
NT063
X
Description
Air in hydraulic system ST-7
X
Fluid level ST-6
X
Tie-rod ball joint swinging force ST-17
X
Tie-rod ball joint rotating torque ST-17
X
Tie-rod ball joint end play ST-17
X
Fluid leakage ST-6
ST-5
X
Steering wheel play ST-8
X
Steering gear rack sliding force ST-7
X
Drive belt looseness Refer to MA section
X
X
X
Incorrect steering wheel (Not genuine Nissan part) --
X
X
X
Improper installation or looseness of tilt lock lever ST-13
pump
X
X
X
X
Mounting insulator deterioration ST-14
Commercial Service Tools
X
Unit: mm (in)
Steering column deformation or damage ST-13
NVH Troubleshooting Chart
X
Improper installation or looseness of steering column ST-10
X
X
a: 28 mm (1.10 in) dia.
Steering linkage looseness ST-14
Installing pump oil seal
X
X
X
DRIVE SHAFT NVH in FA section
X
X
X
X
X
AXLE AND SUSPENSION NVH in FA, RA section
Disassembling and assembling oil
X
X
X
X
X
TIRES NVH in FA section
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
X
X
X
X
ROAD WHEEL NVH in FA section
X
X
X
X
BRAKES NVH in BR section
GI
AT
EL
FE
FA
BT
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts. CL
LC
RS
EC
ST
RA
HA
BR
MT
EM
MA
IDX
ON-VEHICLE SERVICE
Checking and Adjusting Drive Belts
Refer to MA section (``Checking Drive Belts'', ``ENGINE MAIN-
TENANCE'').
Checking Fluid Level
Check fluid level with engine OFF.
Check fluid level referring to the scale on the reservoir tank.
Use HOT range at fluid temperatures of 50 to 80◦ Jabse Service Manual Search 2024 ◦ Jabse Pravopis ◦ onTap.bg ◦ Other service manual resources online : Fixya ◦ eServiceinfo