Nissan Silvia. Instruction — part 335
Supplemental Restraint System (SRS) “AIR
BAG”
NMST0038
The Supplemental Restraint System such as “AIR BAG” 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 system composi-
tion which is available to NISSAN MODEL S15 is as follows:
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), a diagnosis
sensor unit, warning lamp, wiring harness and spiral cable.
Information necessary to service the system safely is included in the RS section of this Service Instruction.
WARNING:
I
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 per-
formed by an authorized NISSAN dealer.
I
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 RS section.
I
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified with yellow harness connector.
Precautions for Steering System
NMST0003
I
Before disassembly, thoroughly clean the outside of the unit.
I
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.
I
Place disassembled parts in order, on a parts rack, for easier and proper assembly.
I
Use nylon cloths or paper towels to clean the parts; common shop rags can leave lint that might
interfere with their operation.
I
Before inspection or reassembly, carefully clean all parts with a general purpose, non-flammable
solvent.
I
Before assembly, apply a coat of recommended power steering fluid* to hydraulic parts. Vaseline
may be applied to O-rings and seals. Do not use any grease.
I
Replace all gaskets, seals and O-rings. Avoid damaging O-rings, seals and gaskets during instal-
lation. Perform functional tests whenever designated.
*: Type Dexron
TM
III or equivalent. Refer to MA-8, “Fluids and Lubricants”.
PRECAUTIONS
Supplemental Restraint System (SRS) “AIR BAG”
ST-2
Special Service Tools
NMST0004
Tool number
Tool name
Description
KV48103400
Torque adapter
NT236
Measuring steering transfer gear rotating torque
KV48102500
Pressure gauge adapter
NT542
Measuring oil pressure
ST27180001
Steering wheel puller
NT544
Removing steering wheel
HT72520000
Ball joint remover
NT546
Removing ball joint
a: 33 mm (1.30 in)
b: 50 mm (1.97 in)
r: R11.5 mm (0.453 in)
KV48103500
Pressure gauge
NT547
Measuring oil pressure
KV48104400
Rack seal ring reformer
NT550
Reforming teflon ring
a: 50 mm (1.97 in) dia.
b: 36 mm (1.42 in) dia.
c: 100 mm (3.94 in)
ST3127S000
1 GG91030000
Torque wrench
2 HT62940000
Socket adapter
3 HT62900000
Socket adapter
NT541
Measuring turning torque
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
RS
BT
HA
SC
EL
IDX
PREPARATION
Special Service Tools
ST-3
Commercial Service Tool
NMST0005
Tool number
Description
Oil pump attachment
NT774
Disassembling and assembling oil pump
Unit: mm (in)
PREPARATION
Commercial Service Tool
ST-4
NMST0006
NVH Troubleshooting Chart
NMST0006S01
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
Reference page
ST
-8
ST
-7
—
ST
-13
AX-3
AX-3
SU-4
SU-4
BR-5
Possible cause and
SUSPECTED PARTS
Fluid
level
Air
in
hydraulic
system
T
ie-rod
ball
joint
swinging
force
T
ie-rod
ball
joint
rotating
torque
T
ie-rod
ball
joint
end
play
Steering
gear
fluid
leakage
Steering
wheel
play
Steering
gear
rack
sliding
force
Drive
belt
looseness
Improper
steering
wheel
Improper
installation
or
looseness
or
tilt
lock
lever
Mounting
rubber
deterioration
Steering
column
deformation
or
damage
Improper
installation
or
looseness
of
steering
column
Steering
linkage
looseness
DRIVE
SHAFT
AXLE
SUSPENSION
TIRES
ROAD
WHEEL
BRAKES
Symptom
STEERING
Noise
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Shake
×
×
×
×
×
×
×
×
×
Vibration
×
×
×
×
×
×
×
×
×
Shimmy
×
×
×
×
×
×
×
×
×
Judder
×
×
×
×
×
×
×
×
: Applicable
GI
MA
EM
LC
EC
FE
CL
MT
AT
PD
AX
SU
BR
RS
BT
HA
SC
EL
IDX
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
NVH Troubleshooting Chart
ST-5
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