2005 INFINITI FX35 Service Manual

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Page 4281 of 4731

INFINITI FX35 2005 Service Manual PS-6
PREPARATION
Revision: 2005 July 2005 FX
Commercial Service ToolsAGS000GR
1. KV48102500-04
( — )
Washer
2. KV48102500-01
( — )
Eye joint
3. KV481

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INFINITI FX35 2005 Service Manual NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING PS-7
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Revision: 2005 July 2005 FX
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubles

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INFINITI FX35 2005 Service Manual PS-8
POWER STEERING FLUID
Revision: 2005 July 2005 FX
POWER STEERING FLUIDPFP:KLF20
Checking Fluid LevelAGS000GT
Stop engine before performing a fluid level check.
Ensure that fluid level is between

PS-8
POWER STEERING FLUID
Revision: 2005 July 2005 FX
POWER STEERING FLUIDPFP:KLF20
Checking Fluid LevelAGS000GT
Stop engine before performing a fluid level check.
Ensure that fluid level is between the MAX range and MIN level.
Because fluid level differs within the HOT range and the COLD
range, check it carefully.
CAUTION:
Do not overfill the Max level.
Do not reuse any used power steering fluid.
Recommended fluid is Genuine NISSAN PSF or equivalent.
Checking Fluid LeakageAGS000GU
Check the hydraulic piping lines for improper attachment and for
leaks, cracks, damage, loose connections, chafing or deterioration.
1. Run engine until fluid temperature reaches 50 to 80 ° C (122 to
176 °F) in reservoir tank. Keep engine speed idle.
2. Turn steering wheel right-to-left several times.
3. Hold steering wheel at each “lock” position for five seconds to check fluid leakage.
CAUTION:
Do not hold 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 over tighten con- nector as this can damage O-ring, washer and connector.
5. If fluid leakage from oil pump is noticed, check oil pump. Refer to PS-31, "
POWER STEERING OIL
PUMP" .
6. Check steering gear boots for accumulation of fluid indicating a from steering gear.
Air Bleeding Hydraulic SystemAGS000GV
Incomplete air bleeding causes the following. When this happens, bleed air again.
Generation of air bubbles in reservoir tank.
Generation of clicking noise in oil pump.
Excessive buzzing in oil pump.
NOTE:
When vehicle is stationary or while steering wheel is being turned slowly, some noise may be heard from
oil pump or gear. This noise is normal and does not affect any system.
1. Stop engine, and then turn steering wheel fully to right and left several times. CAUTION:
Do not allow steering fluid reservoir tank to go below the low-level line. Check tank frequently and
add fluid as needed.
2. Run engine at idle speed. Turn steering wheel fully to the right and then fully to the left, and keep for about three seconds. Then check whether a fluid leakage has occurred.
3. Repeat the 2nd procedure several times at about three seconds intervals. CAUTION:
Do not hold steering wheel in the locked position more than 10 seconds. (There is the possibility
that oil pump may be damaged.)
4. Check generation of air bubbles and cloud in fluid. HOT : Fluid temperatures from 50 to 80
°C (122 to
176 °F)
COLD : Fluid temperatures from 0 to 30 °C (32 to 86 °F)
SGIA0232J
SGIA0506E

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INFINITI FX35 2005 Service Manual POWER STEERING FLUID PS-9
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Revision: 2005 July 2005 FX
5. If air bubbles and the cloud dont fade, stop engine, hold air bleeding until air bubbles and the cloud

Page 4285 of 4731

INFINITI FX35 2005 Service Manual PS-10
STEERING WHEEL
Revision: 2005 July 2005 FX
STEERING WHEELPFP:48430
On-Vehicle Inspection and ServiceAGS000GW
CHECKING CONDITION OF INSTALLATION
Check installation condition of steering gear ass

PS-10
STEERING WHEEL
Revision: 2005 July 2005 FX
STEERING WHEELPFP:48430
On-Vehicle Inspection and ServiceAGS000GW
CHECKING CONDITION OF INSTALLATION
Check installation condition of steering gear assembly, front suspension, axle and steering column.
Check if movement exists when steering wheel is moved up and down, to the left and right and to the axial
direction.
Check if the mounting bolts for steering gear assembly are loose
or not. Refer to PS-19, "
POWER STEERING GEAR AND LINK-
AGE" .
CHECKING STEERING WHEEL PLAY
1. Set tires to the straight ahead, start engine, then turn steering wheel to the left and right lightly, and mea-
sure steering wheel movement on the outer circumference when steering wheel is turned up to the point
where tires start moving.
CHECKING NEUTRAL POSITION ON STEERING WHEEL
Check neutral position on steering wheel after confirming that front wheel alignment is correct. Refer to FSU-
6, "Wheel Alignment Inspection" .
1. Set vehicle to the straight direction, check if steering wheel is in the neutral position.
2. If it is not in the neutral position, remove steering wheel and reinstall it correctly.
3. If the neutral position cannot adjust in the two teeth of steering gear assembly, loosen outer socket lock nuts of steering outer sockets, then adjust outer socket by the same amount in the opposite direction.
CHECKING STEERING WHEEL TURNING FORCE
1. Park vehicle on a level and dry surface, set parking brake.
2. Remove driver air bag module from steering wheel. Refer to SRS-35, "
DRIVER AIR BAG MODULE" .
3. Start engine at idle, make steering fluid reach to normal operat- ing temperature [50 to 80 °C (122 to 176 °F)], then check steering
wheel turning torque with pre-load gauge (SST).
4. If steering wheel turning force is out of the specification, check relief hydraulic pressure of oil pump. Refer to PS-31, "
POWER
STEERING OIL PUMP" .
End play of the axle direction for steering wheel : 0 mm (0 in)
SGIA0546E
Steering wheel play on the outer circumference : 0
− 35 mm (0 − 1.38 in)
Turning torque : 7.45 N·m (0.76 kg-m, 66 in-lb) or less
SGIA0459E

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INFINITI FX35 2005 Service Manual STEERING WHEEL PS-11
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Revision: 2005 July 2005 FX
CHECKING FRONT WHEEL TURNING ANGLE
Check front wheel turning angle after the toe-in inspection.
Place front

Page 4287 of 4731

INFINITI FX35 2005 Service Manual PS-12
STEERING COLUMN
Revision: 2005 July 2005 FX
STEERING COLUMNPFP:48810
Removal and InstallationAGS000GY
CAUTION:
Care must be taken not to give axial impact to steering column assembly during rem

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INFINITI FX35 2005 Service Manual STEERING COLUMN PS-13
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Revision: 2005 July 2005 FX
8. Remove fixing bolts of knee protector, then remove knee protec-
tor from vehicle.
9. Disconnect harness c

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