Nissan Versa Sedan. Manual — part 750
ST-2
< PRECAUTION >
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
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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 SR and SB section of this Service Man-
ual.
WARNING:
• 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 performed by
an authorized NISSAN/INFINITI dealer.
• 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 SR section.
• 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 har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Service Notice or Precautions for Steering System
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• In case of removing steering gear assembly, make the final tightening with grounded and unloaded vehicle
condition, and then check wheel alignment.
• Observe the following precautions when disassembling.
- Before disassembly, thoroughly clean the outside of the unit.
- 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.
- For easier and proper assembly, place disassembled parts in order on a parts rack.
- Use nylon cloth or paper towels to clean the parts; common shop rags can leave lint that might interfere with
their operation.
- Do not reuse non-reusable parts.
- Before assembling, apply the specified grease to the directed parts.
PREPARATION
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< PREPARATION >
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PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
ST3127S000
(J-25765-A)
Preload gauge
1. GG9103000
(J-25765-A)
Torque wrench
2. HT62940000
( – )
Socket adapter
3. HT62900000
( – )
Socket adapter
Inspecting of rotating torque for ball joint
and steering column
KV48103500
(J-26357)
Pressure gauge
Measuring oil pump relief pressure
KV40107300
( — )
Boot clamp crimping tool
Installing boot clamps
KV48102500
(J-33914)
Pressure gauge adapter
Measuring oil pump relief pressure
S-NT541
S-NT547
ZZA1229D
S-NT542
ST-4
< PREPARATION >
PREPARATION
Commercial Service Tool
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—
(J-44372)
Spring gauge
Measuring steering wheel turning force,
rack sliding force and ball joint swinging
force
HT72520000
(J-25730-A)
Ball joint remover
Removing ball joint
Tool number
(Kent-Moore No.)
Tool name
Description
LST024
NT146
Tool name
Description
Steering wheel puller
Removing steering wheel
Power tool
Loosening nuts, screws and bolts
ZZA0819D
PIIB1407E
STEERING WHEEL
ST-5
< BASIC INSPECTION >
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BASIC INSPECTION
STEERING WHEEL
Inspection
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CHECKING CONDITION OF INSTALLATION
• Check installation conditions of steering gear assembly, front suspension assembly, axle and steering col-
umn assembly.
• Check if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
• Check steering gear assembly bolts and nuts for looseness. Refer to
ST-14, "Removal and Installation"
CHECKING STEERING WHEEL PLAY
1. Turn steering wheel so that front wheels come to the straight-ahead position. Start engine and lightly turn
steering wheel to the left and right until front wheels start to move. Measure steering wheel movement on
the outer circumference.
2. When the measurement value is outside the standard value, check backlash for each joint of steering col-
umn assembly and installation condition of steering gear assembly.
NEUTRAL POSITION STEERING WHEEL
1. Check that steering gear assembly, steering column assembly and steering wheel are installed in the cor-
rect position.
2. Check wheel alignment within specification. Refer to
FSU-6, "Inspection and Adjustment"
3. Set vehicle to the straight-ahead position and confirm steering wheel is in the neutral position.
• Loosen outer socket lock nut and turn inner socket to left and right equally to make fine adjustments if
steering wheel is not in the neutral position.
CAUTION:
If the adjustment is performed by using the inner socket, check wheel alignment after the adjust-
ment. Refer to
FSU-6, "Inspection and Adjustment"
.
STEERING WHEEL TURNING FORCE
1. Park vehicle on a level and dry surface, set parking brake.
2. Tires need to be inflated normal pressure. Refer to
3. Start engine.
4. Check steering wheel turning force when steering wheel has
been turned 360
° from neutral position using Tool as shown.
FRONT WHEEL TURNING ANGLE
1. Perform toe-in inspection. Refer to
FSU-6, "Inspection and Adjustment"
CAUTION:
Steering wheel axial end play
and play
: Refer to
ST-19, "Steering Wheel Axial End Play and Play"
.
Steering wheel axial end play
and play
: Refer to
ST-19, "Steering Wheel Axial End Play and Play"
.
Tool number :
—
(J-44372)
Steering wheel turning
force
: Refer to
SGIA1523J
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