Nissan Maxima. Manual — part 1116
PRECAUTIONS
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< PRECAUTION >
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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
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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.
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PREPARATION
PREPARATION
PREPARATION
Special Service Tool
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The actual shapes of the tools may differ from those illustrated here.
Tool number
(TechMate 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
PREPARATION
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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
(TechMate No.)
Tool name
Description
LST024
NT146
Tool name
Description
Steering wheel puller
Removing steering wheel
Power tool
Loosening nuts, screws and bolts
ZZA0819D
PIIB1407E
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< PERIODIC MAINTENANCE >
POWER STEERING FLUID
PERIODIC MAINTENANCE
POWER STEERING FLUID
Inspection
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FLUID LEVEL
• Check fluid level with engine stopped.
• Make sure that fluid level is between MIN and MAX.
• Fluid levels at HOT (A) and COLD (B) are different. Do not confuse
them.
CAUTION:
• The fluid level should not exceed the MAX line. Excessive
fluid will cause fluid leakage from the cap.
• Do not reuse drained power steering fluid.
• Recommended fluid is Genuine Nissan PSF or equivalent.
FLUID LEAKAGE
Check hydraulic connections for fluid leakage, cracks, damage,
looseness, or wear.
1. Run engine until the fluid temperature reaches 50 - 80
° C (122 -
176
°F) in reservoir tank, and keep engine speed at idle.
2. Turn steering wheel several times from full left stop to full right
stop.
3. Hold steering wheel at each lock position for five seconds and
carefully, check for fluid leakage.
CAUTION:
Do not hold the steering wheel in a locked position for more
than 10 seconds. (There is the possibility that oil pump may
be damaged.)
4. If fluid leakage at connections is noticed, then loosen flare nut and then retighten. Do not overtighten con-
nector as this can damage O-ring, copper sealing washers and connector.
5. If fluid leakage from oil pump is noticed, check oil pump. Refer to
ST-28, "Removal and Installation"
.
6. Check steering gear boots for accumulation of fluid indicating leakage from steering gear.
Draining
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1. Disconnect both high and low pressure lines from power steering gear.
2. Drain into a suitable container.
Refilling
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FILLING HYDRAULIC SYSTEM
1. Fill power steering reservoir while checking fluid level.
2. Bleed air from hydraulic system.
3. Check for fluid leaks.
AIR BLEEDING HYDRAULIC SYSTEM
If air bleeding is not complete, the following symptoms can be observed.
• Bubbles are created in reservoir tank.
• Clicking noise can be heard from oil pump.
• Excessive buzzing in the oil pump.
NOTE:
Fluid noise may occur in the steering gear or oil pump. This does not affect performance or durability of the
system.
HOT (A)
: Fluid temperature 50 - 80
°C (122- 176°F)
COLD (B)
: Fluid temperature 0 - 30
°C (32- 86°F)
ALGIA0002GB
SGIA0506E
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