2008 INFINITI FX35 light

STEERING WHEELPS-9
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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-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-23
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2. Heat rack Teflon ring to approximately 40 °C (104 °F) with a
dryer. Assemble it to mounting groove of rack.
3. To fit rack Teflon ring on rack, use rack Teflon ring installation tool (SST) from tooth side. Comp ress rim of ring with the tool.
4. Apply recommended grease to rack oil seal. Insert rack oil seal, then insert rack assembly to gear housing assembly.
CAUTION:
 When inserting rack assembly, do not damage retainersliding part. If it is dama ged, replace gear housing assem-
bly.
 When inserting rack assembly, do not damage cylinder
inner wall. If it is damaged, it may cause oil leaks. Replace
gear housing assembly.
 Attach rack oil seal. Both in ner lip and outer lip should
face each other.
a. To avoid damaging inner rack oil seal, wrap an OHP sheet [approximately. 70 mm (2.76 in) × 100 mm (3.94 in) around rack
tooth. Place oil seal on sheet. Then, pull oil seal along with OHP
sheet until they pass the toothed se ction of rack, then remove it.
b. Insert rack oil seal (inner) to piston (rack Teflon ring) position and push retainer to adjust screw side with fingers lightly, and
then make rack move in gear housing assembly, install rack oil
seal (inner) to fit with gear housing assembly.
SGIA0153E
SGIA0154E
SGIA0205E
SGIA0155E
SGIA0548E
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PS-26
< SERVICE INFORMATION >
POWER STEERING GEAR AND LINKAGE
a. Tighten large-diameter side of RH/LH boot with boot clamp(stainless wire).
b. After wrapping clamp around boot groove for two turns, insert screwdriver in loop on both ends of wire. Twist 4 to 4.5 turns
while pulling with a force of approx. 98 N (10 kg, 22 lb).
c. Twist boot clamp as shown in the figure, pay attention to rela- tionship between winding and twisting directions.
22. Install cylinder tubes to gear housing assembly.
23. Install lock nut and outer socket to inner socket.
24. Tighten lightly inner socket in specified length “L”, then tighten lock nut at specified torque. Refer to "Disassembly and Assem-
bly". Reconfirm if inner socket length is within limit of specified
length “L”.
CAUTION:
Perform toe-in adjustment after this procedure. Length
achieved after toe-in adjustment is not necessary value
given here.Wire length “L” : 390 mm (15.35 in)
SGIA0163E
SGIA0164E
SGIA0544E
Inner socket length “L” : 135.2 mm (5.32 in)
SGIA0167E
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POWER STEERING OIL PUMPPS-31
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1. Apply recommended grease to oil seal lips. Apply recommended fluid to around oil seal, and then install oil seal to body assembly
using the drift [SST].
2. If dowel pin has been removed, insert it into body assembly by hand. If it cannot be inserted by hand, lightly tap with a hammer.
3. Install flow control valve A, flow control valve spring and flow control valve B assembly to locations shown in the figure.
4. Match dowel pin A on flow control valve A, shown in the figure, with cutout B of front side plate and then install front side plate to
body assembly.
5. Install cam ring onto front side pl ate with smaller slit of cam ring
facing body assembly.
6. Install pulley to body assembly. CAUTION:
When installing pulley, be car eful not to scratch oil seal.
SGIA0527E
SGIA0526E
SGIA0528E
SGIA0623E
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RAX-6
< SERVICE INFORMATION >
REAR WHEEL HUB AND KNUCKLE
REAR WHEEL HUB AND KNUCKLE
On-Vehicle InspectionINFOID:0000000001327526
Make sure the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
WHEEL BEARING INSPECTION
With the vehicle raised, inspect the following.
 Move wheel hub in the axial direction by hand. Che ck that there is no looseness of front wheel bearing.
 Rotate wheel hub and make sure there is no unusual noi se or other irregular conditions. If there are any
irregular conditions, replace wheel hub and bearing assembly.
Removal and InstallationINFOID:0000000001327527
COMPONENTS
REMOVAL
1. Remove tires from vehicle with power tool.
2. Remove cotter pin. Then remove lock nut from drive shaft.
3. Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to BR-
25, "Removal and Installation of Brake Caliper Assembly".
NOTE:
 Avoid depressing brake pedal while brake caliper is removed.
4. Remove disc rotor. Refer to BR-25, "
Removal and Installation of Brake Caliper Assembly".
5. Remove parking cable and parking shoe from back plate. Refer to PB-4, "
Removal and Installation".
6. Remove wheel sensor from axle. Refer to BRC-52
.
CAUTION:
Do not pull on wheel sensor harness.
7. Separate drive shaft from wheel hub and bearing assembly by lightly tapping the end with a suitable ham- mer and wood block. If it is hard to separate, use a suitable puller.
8. Remove fixing bolts of wheel hub and bearing assembly with power tool, then remove wheel hub and bearing assembly from axle.Axial end play : 0.05 mm (0.002 in) or less
1. Drive shaft 2. Bushing 3. Axle
4. Back plate 5. Anchor block 6. Wheel bearing
7. Wheel hub 8. Cotter pin
SDIA1481E
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RF-4
< SERVICE INFORMATION >
SQUEAK AND RATTLE TROUBLE DIAGNOSES
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work FlowINFOID:0000000001328030
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the c onditions that exist when the noise occurs. Use the Diag-
nostic Worksheet during the interview to document the facts and conditions when the noise occurs and any
customer's comments; refer to RF-8, "
Diagnostic Worksheet". This information is necessary to duplicate the
conditions that exist when the noise occurs.
 The customer may not be able to provide a detailed description or the location of the noise. Attempt to obtain all the facts and conditions that exist w hen the noise occurs (or does not occur).
 If there is more than one noise in the vehicle, be sure to diagnose and repair the noise that the customer is
concerned about. This can be accomplished by test driving the vehicle with the customer.
 After identifying the type of noise, isolate the noise in terms of its characteristics. The noise characteristics
are provided so the customer, service adviser and technician are all speaking the same language when
defining the noise.
 Squeak —(Like tennis shoes on a clean floor)
Squeak characteristics include the light contact/fa st movement/brought on by road conditions/hard sur-
faces=higher pitch noise/softer surfaces=l ower pitch noises/edge to surface=chirping
 Creak—(Like walking on an old wooden floor)
Creak characteristics include firm contact/slow mo vement/twisting with a rotational movement/pitch depen-
dent on materials/often brought on by activity.
 Rattle—(Like shaking a baby rattle)
Rattle characteristics include the fast repeated contac t/vibration or similar movement/loose parts/missing
clip or fastener/incorrect clearance.
 Knock —(Like a knock on a door)
Knock characteristics include hollow sounding/someti mes repeating/often brought on by driver action.
 Tick—(Like a clock second hand) Tick characteristics include gentle contacting of light materials/loose components/can be caused by driver
action or road conditions.
 Thump—(Heavy, muffled knock noise) Thump characteristics include softer k nock/dead sound often brought on by activity.
 Buzz—(Like a bumble bee)
Buzz characteristics include hi gh frequency rattle/firm contact.
 Often the degree of acceptable noise level will vary depending upon the person. A noise that you may judge as acceptable may be very irritating to the customer.
 Weather conditions, especially humidity and temperat ure, may have a great effect on noise level.
DUPLICATE THE NOISE AND TEST DRIVE
If possible, drive the vehicle with the customer until the noise is duplicated. Note any additional information on
the Diagnostic Worksheet regarding the conditions or lo cation of the noise. This information can be used to
duplicate the same conditions when you confirm the repair.
SBT842
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SQUEAK AND RATTLE TROUBLE DIAGNOSESRF-5
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If the noise can be duplicated easily during the test drive, to help identify the source of the noise, try to dupli-
cate the noise with the vehicle stopped by doing one or all of the following:
1) Close a door.
2) Tap or push/pull around the area where the noise appears to be coming from.
3) Rev the engine.
4) Use a floor jack to recreate vehicle “twist”.
5) At idle, apply engine load (electrical load, half- clutch on M/T model, drive position on A/T model).
6) Raise the vehicle on a hoist and hit a tire with a rubber hammer.
 Drive the vehicle and attempt to duplicate the conditions the customer states exist when the noise occurs.
 If it is difficult to duplicate the noise, drive the vehicle slowly on an undulating or rough road to stress the vehicle body.
CHECK RELATED SERVICE BULLETINS
After verifying the customer concern or symptom, che ck ASIST for Technical Service Bulletins (TSBs) related
to that concern or symptom.
If a TSB relates to the symptom, follow the procedure to repair the noise.
LOCATE THE NOISE AND IDENTIFY THE ROOT CAUSE
1. Narrow down the noise to a general area. To help pinpoint the source of the noise, use a listening tool (Chassis Ear: J39570, Engine Ea r and mechanics stethoscope).
2. Narrow down the noise to a more specific area and identify the cause of the noise by:
 removing the components in the area that you suspect the noise is coming from. Do not use too much force when removing clips and fasteners, otherwise clips and fastener can be broken
or lost during the repair, resulting in the creation of new noise.
 tapping or pushing/pulling the component that you suspect is causing the noise.
Do not tap or push/pull the component with excessive force, otherwise the noise will be eliminated only tem-
porarily.
 feeling for a vibration with your hand by touching the component(s) that you suspect is (are) causing the
noise.
 placing a piece of paper between components that you suspect are causing the noise.
 looking for loose components and contact marks. Refer to RF-6, "
Generic Squeak and Rattle Troubleshooting".
REPAIR THE CAUSE
 If the cause is a loose component, tighten the component securely.
 If the cause is insufficient clearance between components:
- separate components by repositioning or loos ening and retightening the component, if possible.
- insulate components with a suitable insulator such as urethane pads, foam blocks, felt cloth tape or urethane tape. A Nissan Squeak and Rattle Kit (J43980) is available through your authorized Nissan Parts Depart-
ment.
CAUTION:
Do not use excessive force as many components are constructed of plastic and may be damaged.
NOTE:
Always check with the Parts Department for the latest parts information.
The following materials are contained in the Nissan Squeak and Rattle Kit (J43980). Each item can be ordered
separately as needed.
URETHANE PADS [1.5 mm (0.059 in) thick]
Insulates connectors, harness, etc.
76268-9E005: 100 × 135 mm (3.94 × 5.31 in)/76884-71L01: 60 × 85 mm (2.36 × 3.35 in)/76884-71L02: 15 ×
25 mm (0.59 × 0.98 in)
INSULATOR (Foam blocks)
Insulates components from contact.Can be used to fill space behind a panel.
73982-9E000: 45 mm (1.77 in) thick, 50 × 50 mm (1.97 × 1.97 in)/73982-50Y00: 10 mm (0.39 in) thick, 50
× 50 mm (1.97 × 1.97 in)
INSULATOR (Light foam block)
80845-71L00: 30 mm (1.18 in) thick, 30 × 50 mm (1.18 × 1.97 in)
FELT CLOTHTAPE
Used to insulate where movement does not occur. Ideal for instrument panel applications.
68370-4B000: 15 × 25 mm (0.59 × 0.98 in) pad/68239-13E00: 5 mm (0.20 in) wide tape roll
The following materials, not found in the kit, can also be used to repair squeaks and rattles.
UHMW(TEFLON) TAPE
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