Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Primera 2000.2005 Approved Nissan Primera 2000 st
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STEERING SYSTEM
SECTION ST
CONTENTS
PRECAUTIONS AND PREPARATION ..................... 2 POWER STEERING GEAR AND LINKAGE .......... 14
Precautions ............................................................ 2 Removal and Installation ..................................... 14
Preparation............................................................. 2 Disassembly......................................................... 17
PREPARATION ......................................................... 3 Inspection............................................................. 17
NOISE, VIBRATION AND HARSHNESS (NVH) Assembly.............................................................. 19
TROUBLESHOOTING ............................................... 4
NVH Troubleshooting Chart................................... 4 GA16DE
ON-VEHICLE INSPECTION ...................................... 5
POWER STEERING OIL PUMP ...................... 20
Checking Steering Wheel Play .............................. 5
Pre-disassembly Inspection ................................. 21
Checking Neutral Position on Steering Wheel ...... 5
Disassembly......................................................... 21
Front Wheel Turning Angle.................................... 5
Inspection............................................................. 22
Checking Gear Housing Movement....................... 5
Assembly.............................................................. 22
Checking and Adjusting Drive Belts ...................... 6
POWER STEERING OIL PUMP.............................. 24 ST
Checking Fluid Level ............................................. 6
Checking Fluid Leakage ........................................ 6
CD20T
Bleeding Hydraulic System.................................... 6
Checking Steering Wheel Turning Force .............. 7 POWER STEERING OIL PUMP.............................. 25
Checking Hydraulic System................................... 8 POWER STEERING OIL PUMP.............................. 26
STEERING WHEEL AND STEERING COLUMN ..... 9
Removal and Installation ..................................... 10 GA16DE, SR20De, CD20T, QG18
Disassembly and Assembly................................. 11
SERVICE DATA AND SPECIFICATIONS (SDS) ... 27
Inspection............................................................. 12
General Specifications ......................................... 27
Inspection and Adjustment .................................. 27
PRECAUTIONS AND PREPARATION
Precautions
Supplemental Restraint System (SRS) ``AIR BAG''
and ``SEAT BELT PRE-TENSIONER''
The Supplemental Restraint System ``Air Bag'' and ``Seat Belt Pre-tensioner'', used along with a seat belt,
help to reduce the risk or severity of injury to the driver and front passenger in a frontal collision. The
Supplemental Restraint System consists of air bag modules (located in the center of the steering wheel and
on the instrument panel on the passenger side), seat belt pre-tensioners, a diagnosis sensor unit, warning
lamp, wiring harness and spiral cable.
If the vehicle is equipped with side air bag as the Supplemental Restraint System, the side air bag used along
with the seat belt helps to reduce the risk or severity of injury to the driver and front passenger in a side
collision. The side air bag consists of air bag modules (located in the outer side of front seats), satellite
sensor, diagnosis sensor unit (which is one of components of air bags for a frontal collision), wiring harness,
warning lamp (which is one of components of air bags for a frontal collision).
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 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.
q Do not use electrical test equipment on any circuit related to the SRS unless instructed to do so
in this Service Manual. SRS wiring harnesses are covered with yellow insulation (either just
before the harness connectors or for the complete harness), for easy identification.
STEERING SYSTEM
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 When disassembling parts, be sure to place them in order on a part rack so they can be rein-
stalled in their correct positions.
q Only use nylon cloths or paper towels to clean parts. Do not use rags or other materials contain-
ing lint. Residual debris may damage the system.
q Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable
solvent.
q Before assembly, apply a coat of recommended ATF* to hydraulic parts. Vaseline 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 instal-
lation. Perform functional tests whenever designated.
*: Automatic transmission fluid
Preparation
SPECIAL SERVICE TOOL
Tool number
Description
Tool name
ST27180001 Removing and installing steering wheel
Steering wheel puller
NT170
ST-2
PREPARATION
SPECIAL SERVICE TOOLS
Tool number
Description
Tool name
KV48100700 Measuring pinion rotating torque
Torque adapter
HT72520000 Removing ball joint
Ball joint remover
ST27091000 To control Measuring oil pressure
To valve
Pressure gauge oil pump outlet
Shut-off valve
KV48102500 Measuring oil pressure
Pressure gauge adapter
ST3127S000 Measuring turning torque
V GG91030000
1
Torque wrench
V HT62940000
2
Socket adapter
V HT62900000
3
Socket adapter
ST-3
X: Applicable
Symptom
Reference page
Possible cause and
SUSPECTED PARTS
STEERING
Noise
Shake
Judder
Shimmy
Vibration
X
Fluid level ST-6
X
Air in hydraulic system ST-6
X
Tie-rod ball joint swinging force ST-18
X
Tie-rod ball joint rotating torque ST-18
X
Tie-rod ball joint end play ST-19
ST-4
X
Steering gear fluid leakage ST-6
X
Steering wheel play ST-5
X
Steering wheel turning force ST-7
X
Drive belt looseness Refer to MA section.
X
X
X
Improper steering wheel --
X
X
X
Improper installation or looseness of tilt lock lever ST-12
X
X
X
X
Mounting rubber deterioration ST-5
NVH Troubleshooting Chart
X
Steering column deformation or damage ST-13
X
Improper installation or looseness of steering column ST-11
If necessary, repair or replace these parts.
X
X
Steering linkage looseness ST-14
X
X
X
DRIVE SHAFT NVH in FA section
X
X
X
X
X
AXLE AND SUSPENSION NVH in FA, RA section
X
X
X
X
X
TIRES NVH in FA section
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
X
X
X
X
ROAD WHEEL NCH in FA section
X
X
X
X
BRAKES NVH in BR section
Use the chart below to help you find the cause of the symptom.
ON-VEHICLE INSPECTION
Checking Steering Wheel Play
1. With wheels in a straight-ahead position, check steering
wheel play.
Steering wheel play:
35 mm (1.38 in) or less
2. If it is not within specification, check steering gear assembly
when front suspension and axle, steering gear assembly and
steering column are mounted correctly.
.
SST489B
Checking Neutral Position on Steering Wheel
OK NG
Pre-checking
q Make sure that wheel alignment is correct.
Wheel alignment:
Refer to SDS in FA section
q Verify that the steering gear is centered before removing the
steering wheel.
Checking
SST490BA 1. Check that the steering wheel is in the neutral position when
driving straight ahead.
2. If it is not in the neutral position, remove the steering wheel
and reinstall it correctly.
3. If the neutral position is between two serrated teeth, loosen
tie-rod lock nut and move tie-rod in the opposite direction by
the same amount on both left and right sides to compensate
for error in the neutral position.
Front Wheel Turning Angle
1. Rotate steering wheel all the way right and left; measure
turning angle.
Turning angle of full turns:
Refer to SDS in FA section
2. If it is not within specification, check rack stroke.
Rack stroke ``S'':
Refer to SDS (ST-27)
SMA127
Checking Gear Housing Movement
1. Check the movement of steering gear housing during station-
ary steering on a dry paved surface.
q Apply a force of 49 N (5 kg, 11 lb) to steering wheel to check
the gear housing movement.
Turn off ignition key while checking.
Movement of gear housing:
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