2008 INFINITI FX35 steering wheel

STEERING WHEELPS-9
< SERVICE INFORMATION >
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STEERING WHEEL
On-Vehicle Inspection and ServiceINFOID:0000000001327712
CHECKING CONDITION OF INSTALLATION
 Check installation condition of steering gear assemb ly, front suspension, axle and steering column.
 Check if movement exists when steering wheel is mo ved 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-17
.
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 circumfe rence 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-5,
"Wheel Alignment Inspection".
1. Set vehicle to the straight direction, chec k if steering wheel is in the neutral position.
2. If it is not in the neutral position, remo ve 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 so cket 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. Start engine.
3. Bring power steering fluid up to adequate operating te mperature. [Make sure temperature of fluid is
approximately 50 to 80 °C (122 to 176 °F).]
NOTE:
Tires need to be inflated normal pressure.
4. Check steering wheel turning force when steering wheel has been turned 360 ° from neutral position.
NOTE:
Multiply the distance L from the hook of spring balance to the
center of steering wheel by the measurement value with a spring
balance.
5. If steering wheel turning force is out of the specification, check
rack sliding force and relief hydraulic pressure of oil pump.
Regarding relief hydraulic pressure of oil pump, refer to PS-27, "
On-Vehicle Inspection and Service".
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)
Steering wheel turning force : Less than 7.45 N·m (0.76 kg-m, 66 in-lb)
SGIA1136E
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PS-10
< SERVICE INFORMATION >
STEERING WHEEL
a. Disconnect lower joint and steering knuckle from steering gear assembly. Refer to PS-12, "Removal and
Installation", FA X - 4 , "Removal and Installation", FAX-11, "Removal and Installation".
b. Start and run engine at idle to make sure steer ing fluid has reached normal operating temperature.
c. While pulling outer socket slowly in ±11.5 mm ( ±0.453 in) range
from neutral position, make sure rack sliding force is within
specification.
d. If rack sliding force is not within specification, overhaul steering gear assembly.
CHECKING FRONT WHEEL TURNING ANGLE
 Check front wheel turning angle after the toe-in inspection. Placefront wheels on turning radius gauges and rear wheels on stands
so that vehicle can be level. Check the maximum inner and outer
wheel turning angles for LH and RH road wheels.
 Start engine and run at idle, turn steering wheel all the way right and left, measure the turning angle.
 Measure rack stroke if angles are outside the specified value.
 Disassemble steering gear assembly to check the cause that rack
stroke is outside of the standard.
 Steering angles are not adjustable. Check steering gear assembly, steering column assembly and front suspension components for
wear or damage if any of the turning angles are different from the
specified value. Replace any of them, if any non-standard condi-
tion exists.
Removal and InstallationINFOID:0000000001327713
REMOVAL
NOTE:
When reconnecting spiral cable, fix cable with a tape so that fixing case and rotating part keep aligned. This
will omit neutral position alignment procedure during spiral cable installation. Rack sliding force
: 147 − 211 N (15 − 21.5 kg, 33 − 47 lb)
SST090B
FAA0016D
Inner wheel (Angle: A) Minimum 32
°00’ (32.0 °)
Nominal 35 °00’ (35.0 °)
Maximum 36 °00’ (36.0 °)
Outer wheel (Angle: B) 30 °00’ (30.0 °)
SGIA0055E
Rack stroke L 67.0 mm (2.638 in)
SGIA0629J
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STEERING WHEELPS-11
< SERVICE INFORMATION >
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1. Set vehicle to the straight-ahead direction.
2. Remove driver air bag module. Refer to SRS-34, "
Removal and Installation".
3. Remove steering wheel lock nut after steering is locked.
4. Remove steering wheel using the steering wheel puller.
INSTALLATION
Installation is the reverse order of removal. For tightening torque, refer to PS-12, "Removal and Installation".
NOTE:
Check the spiral cable neutral position after r eplacing or rotating spiral cable. Refer to SRS-36, "
Removal and
Installation".
CAUTION:
Do not twist spiral cable freely on excessively after it becomes tight (doing so may cause the cable to
be turn off). Tool number A: ST27180001 (J-25726-A)
SGIA1323E
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PS-12
< SERVICE INFORMATION >
STEERING COLUMN
STEERING COLUMN
Removal and InstallationINFOID:0000000001327714
COMPONENTS
CAUTION:
 Care must be taken not to give axial impact to steering column assembly during removal and instal-
lation.
 Care must be taken not to move steering gear during removal of steering column assembly.
REMOVAL
1. Set vehicle to the straight ahead-direction.
2. Remove driver air bag module from steering wheel. Refer to SRS-34
.
3. Disconnect steering switch connector, remove steering wheel lock nut, then remove steering wheel. Refer to SRS-36
.
4. Remove steering column cover. Refer to IP-10
.
5. Remove combination switch & spiral cabl e from steering column assembly. Refer to SRS-36
.
6. Remove instrument lower panel (driver side). Refer to IP-10
.
7. Remove combination meter. Refer to IP-10
.
1. Steering wheel 2. Combination switch & spiral cable 3. Steering column assembly
4. Collar 5. Hole cover seal 6. Clamp
7. Hole cover 8. Lower shaft 9. Lower joint
Refer to GI-8, "
Component", for the symbols in the figure.
SGIA1612E
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PS-14
< SERVICE INFORMATION >
STEERING COLUMN
 If vehicle has a collision light shocked, check column length “L” as
shown in the figure. Then if it is out of the specified value, replace
with new one.
 Check the turning torque of steering column with preload gauge (SST). If it is out of the specified value, repair it or replace with new
one.
INSTALLATION
 Refer to "COMPONENTS" for tightening torque. Install in the reverse order of removal.NOTE:
Refer to component parts location and do not reuse non-reusable parts.
 After removing/installing or replacing steering components, check wheel alignment. Refer to FSU-5, "
Wheel
Alignment Inspection".
 After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-8, "
Adjust-
ment of Steering Angle Sensor Neutral Position".
INSPECTION AFTER INSTALLATION
 Check tilt and telescopic mechanism operating range “L1”, “L2” as
shown in the figure.
 Check if steering wheel operation can turn to the end of the left and right smoothly.
Disassembly and AssemblyINFOID:0000000001327715
COMPONENTS
Steering column length “L”: 572 mm (22.52 in)
Turning torque : 0 − 0.2 N·m (0 − 0.021 kg-m, 0 − 1 in-lb)
SGIA0556E
Tilt operating range “L1” : 28 - 32 mm (1.1 - 1.26 in)
Telescopic operating range
“L
2” : 18 - 22 mm (0.71 - 0.87 in)
SGIA1431E
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POWER STEERING GEAR AND LINKAGEPS-17
< SERVICE INFORMATION >
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POWER STEERING GEAR AND LINKAGE
Removal and InstallationINFOID:0000000001327716
COMPONENTS
CAUTION:
Spiral cable may snap due to steering operation if steering column is separated from steering gear
assembly. Therefore fix steering wheel with a string to avoid turns.
REMOVAL
1. Set wheels in the straight-ahead position.
2. Remove tires from vehicle with power tool.
3. Remove undercover with power tool.
4. Confirm slit of lower joint fits with the projection on rear cover
cap, furthermore marking position on steering gear assembly
nearly fits with the projection on rear cover cap.
5. Remove cotter pin at steeri ng outer socket, then loosen mount-
ing nut.
6. Use a ball joint remover (SST) to remove steering outer socket from steering knuckle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball jo int remover (SST) from com-
ing off.
1. Cotter pin 2. Steering gear assembly 3. Washer
4. Clip
SGIA1432E
SGIA0539E
SDIA1434E
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PS-18
< SERVICE INFORMATION >
POWER STEERING GEAR AND LINKAGE
7. Remove oil pipings (high pressure side and low pressure side)from steering gear assembly, then drain fluid from pipings.
8. Remove mounting bolt of steering hydraulic piping bracket from steering gear assembly.
9. Remove mounting bolt (lower side) of lower joint.
10. Remove mounting bolts of steering gear assembly with power tool, and then remove steering gear assembly from vehicle.
INSTALLATION
 Refer to "Removal and Installation" for tightening torque. Install in the reverse order of removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.
 After removing/installing or replacing steering components, check wheel alignment. Refer to FSU-5, "
Wheel
Alignment Inspection".
 After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-8, "
Adjust-
ment of Steering Angle Sensor Neutral Position".
SGIA0541E
SGIA0545E
SGIA0542E
SGIA0546E
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POWER STEERING GEAR AND LINKAGEPS-19
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 When steering wheel is set in the straight ahead direction, confirm slit of lower joint fits with the projection on rear cover cap, further-
more marking position on steering gear assembly nearly fits with
the projection on rear cover cap.
 After installation, bleed air from piping. Refer to PS-7, "
Air Bleeding
Hydraulic System".
INSPECTION AFTER INSTALLATION
Check if steering wheel turns smoothly when it is tur ned several times fully to the end of the left and right.
Disassembly and AssemblyINFOID:0000000001327717
COMPONENTS
SGIA0539E
1. Outer socket 2. Boot clamp 3. Boot
4. Inner socket 5. Boot clamp 6. Gear housing assembly
7. Rack oil seal 8. Rack assembly 9. Rack Teflon ring
10. O-ring 11. End cover assembly 12. Cylinder tubes
SGIA1678E
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