suspension INFINITI FX35 2007 Repair Manual

PREPARATION RAX-3
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RAX
Revision: 2006 July 2007 FX35/FX45
PREPARATIONPFP:00002
Special Service Tools (SST)NDS000CE
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service ToolsNDS000CF
Tool number
(Kent-Moore No.)
Tool name Description
ST33251000
( — )
Drift

Removing wheel hub

Removing wheel bearing outer side
inner race

Installing wheel hub

Inspection of wheel bearing rotating
torque
ST35300000
( — )
Drift
a: 45 mm (1.77 in) dia.
b: 59 mm (2.32 in) dia.

Installing wheel hub

Inspection of wheel bearing rotating
torque
KV40100900
( — )
Drift
a: 52 mm (2.05 in) dia.
b: — Wheel bearing rotating torque
inspection
KV38100500
( — )
Drift
a: 80 mm (3.15 in) dia.
b: 60 mm (2.36 in) dia. Installing drive shaft plug
KV38102200
( — )
Drift
a: 90 mm (3.54 in) dia.
b: 31 mm (1.22 in) dia. Installing drive shaft plug
ZZA0982D
ZZA0881D
ZZA0539D
ZZA0701D
ZZA0920D
Tool name
Description
Power tool

Removing wheel nuts

Removing brake caliper assembly

Removing wheel hub and bearing
assembly

Removing suspension links

Removing drive shaft fixing bolts
and nutsPBIC0190E

RAX-4
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000CG
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
—
RAX-9—
RAX-5—
NVH in PR section
NVH in RFD section
NVH in RAX and RSU section
Refer to REAR AXLE in this chart. NVH in WT section
NVH in WT section
Refer to DRIVE SHAFT in this chart. NVH in BR section
NVH in PS section
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
PROPELLER SHAFT
DIFFERENTIAL
REAR AXLE AND REAR SUSPENSION
REAR AXLE
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom DRIVE
SHAFT Noise
×× ×××××× ××
Shake ×× ×××××××
REAR
AXLE Noise
×× ××× ×××××
Shake ×××××××××
Vibration ×××××××
Shimmy ×× ×××××
Judder × × ×× ××
Poor quality ride or handling ×× × ××

RAX-6
REAR WHEEL HUB AND KNUCKLE
Revision: 2006 July 2007 FX35/FX45
9. Remove parking brake cable and parking brake shoe from back plate. Refer to PB-6, "PARKING BRAKE
SHOE" and PB-4, "PARKING BRAKE CONTROL" .
10. Remove fixing nuts of anchor block with power tool, then remove anchor block and back plate from axle.
11. Loosen fixing bolts and nuts of front lower link, radius rod, and rear lower link in side of suspension mem- ber.
12. Set jack under rear lower link. Then remove fixing bolt in front lower link side of shock absorber with power tool.
13. Remove bolt and nut in axle side of rear lower link with power tool. Then remove coil spring. Refer to RSU-15, "
REAR LOWER LINK & COIL SPRING" .
14. Remove fixing bolts and nuts in axle side of front lower link, radius rod with power tool.
15. Remove suspension arm and cotter pin at axle, then loosen mounting nut.
16. Use a ball joint remover (suitable tool) to remove suspension arm from axle. Be careful not to damage ball joint boot.
CAUTION:
Tighten temporarily mounting nut to prevent damage to threads and to prevent ball joint remover
(suitable tool) from coming off.
17. Remove axle from vehicle.
INSPECTION AFTER REMOVAL
Check for deformity, cracks and damage on each parts, replace if necessary.
Ball Joint Inspection
Check for boot breakage, axial looseness, and torque of suspension arm ball joint. Refer to RSU-11,
"INSPECTION AFTER REMOVAL" .
INSTALLATION

Refer to RAX-5, "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.

Perform final tightening of installation position of suspension links (rubber bushing) under unladen condi-
tions with tires on level ground, Check wheel alignment. Refer to RSU-5, "
Wheel Alignment Inspection" .

After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to BRC-6, "Adjust-
ment of Steering Angle Sensor Neutral Position" .

NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING RFD-7
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RFD
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNDS000BK
Use the chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
Refer to
RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-20, "
Tooth Contact
" .
Refer to RFD-26, "
INSPECTION AFTER DISASSEMBLY
" .
Refer to RFD-21, "
Backlash
" .
Refer to RFD-22, "
Companion Flange Runout
" .
Refer to RFD-9, "
Checking Differential Gear Oil
" .
NVH in PR section.
NVH in FAX, RAX, FSU and RSU sections.
NVH in WT section.
NVH in WT section.
NVH in FAX and RAX section.
NVH in BR section.
NVH in PS section.
Possible cause and SUSPECTED PARTS
Gear tooth rough
Gear contact improper
Tooth surfaces worn
Backlash incorrect
Companion flange excessive runout
Gear oil improper
PROPELLER SHAFT
AXLE AND SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom Noise ×××××××××××××

RSU-1
REAR SUSPENSION
E SUSPENSION
CONTENTS
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SECTION
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RSU
Revision: 2006 July 2007 FX35/FX45
REAR SUSPENSION
PRECAUTIONS .......................................................... 2
Cautions .............................................................. ..... 2
PREPARATION ...................................................... ..... 3
Special Service Tools .......................................... ..... 3
Commercial Service Tools ................................... ..... 3
NOISE, VIBRATION AND HARSHNESS (NVH)
TROUBLESHOOTING ........................................... ..... 4
NVH Troubleshooting Chart ................................ ..... 4
REAR SUSPENSION ASSEMBLY ........................ ..... 5
On-Vehicle Inspection and Service ..................... ..... 5
INSPECTION OF BALL JOINT END PLAY ..... ..... 5
SHOCK ABSORBER INSPECTION ................ ..... 5
Wheel Alignment Inspection ................................ ..... 5
DESCRIPTION ................................................. ..... 5
PRELIMINARY INSPECTION .......................... ..... 5
GENERAL INFORMATION AND RECOMMEN-
DATIONS ......................................................... ..... 5
THE ALIGNMENT PROCESS ......................... ..... 6
CAMBER INSPECTION ................................... ..... 6
TOE-IN ............................................................. ..... 6
Removal and installation ..................................... ..... 7
COMPONENTS ............................................... ..... 7
REMOVAL ........................................................ ..... 8
INSTALLATION ................................................ ..... 8
SHOCK ABSORBER ............................................. ..... 9
Removal and Installation ..................................... ..... 9
REMOVAL ........................................................ ..... 9
INSPECTION AFTER REMOVAL .................... ..... 9
INSTALLATION ................................................ ..... 9
Disassembly and Assembly ................................ ..... 9
DISASSEMBLY ................................................ ..... 9
INSPECTION AFTER DISASSEMBLY ............ ... 10
ASSEMBLY ...................................................... ... 10 SUSPENSION ARM ...............................................
... 11
Removal and Installation ..................................... ... 11
REMOVAL ........................................................ ... 11
INSPECTION AFTER REMOVAL .................... ... 11
INSTALLATION ................................................ ... 12
RADIUS ROD ......................................................... ... 13
Removal and Installation ..................................... ... 13
REMOVAL ........................................................ ... 13
INSPECTION AFTER REMOVAL .................... ... 13
INSTALLATION ................................................ ... 13
FRONT LOWER LINK ........................................... ... 14
Removal and Installation ..................................... ... 14
REMOVAL ........................................................ ... 14
INSPECTION AFTER REMOVAL .................... ... 14
INSTALLATION ................................................ ... 14
REAR LOWER LINK & COIL SPRING .................. ... 15
Removal and Installation ..................................... ... 15
REMOVAL ........................................................ ... 15
INSPECTION AFTER REMOVAL .................... ... 15
INSTALLATION ................................................ ... 15
STABILIZER BAR .................................................. ... 16
Removal and Installation ..................................... ... 16
REMOVAL ........................................................ ... 16
INSPECTION AFTER REMOVAL .................... ... 16
INSTALLATION ................................................ ... 16
REAR SUSPENSION MEMBER ............................ ... 17
Removal and Installation ..................................... ... 17
REMOVAL ........................................................ ... 17
INSPECTION AFTER REMOVAL .................... ... 17
INSTALLATION ................................................ ... 17
SERVICE DATA AND SPECIFICATIONS (SDS) ... ... 18
Wheel Alignment (Unladen*) ............................... ... 18
Ball Joint .............................................................. ... 18
Wheelarch Height (Unladen*) .............................. ... 18

RSU-2
PRECAUTIONS
Revision: 2006 July 2007 FX35/FX45
PRECAUTIONSPFP:00001
CautionsNES000G0

When installing rubber bushings, final tightening must be carried out under unladen conditions with tires
on level ground. Oil will shorten the life of rubber bushings. Be sure to wipe off any spilled oil.

Unladen conditions means that fuel, engine coolant and lubricant are full. Spare tire, jack, hand tools and
mats are in designated positions.

After servicing suspension parts, be sure to check wheel alignment.

Caulking nuts are not reusable. Always use new ones when installing. Since new caulking nuts are pre-
oiled, tighten as they are.

RSU-4
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING
Revision: 2006 July 2007 FX35/FX45
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGPFP:00003
NVH Troubleshooting ChartNES000G3
Use chart below to help you find the cause of the symptom. If necessary, repair or replace these parts.
×: Applicable Reference page
RSU-7RSU-9—
—
—
RSU-7FSU-6RSU-16
NVH in PR section
NVH in RFD section
NVH in RAX and RSU section NVH in WT section
NVH in WT section
NVH in RAX section NVH in BR sectionNVH in PS section
Possible cause and SUSPECTED PARTS
Improper installation, looseness
Shock absorber deformation, damage or deflection
Bushing or mounting deterioration
Parts interference
Spring fatigue
Suspension looseness
Incorrect wheel alignment
Stabilizer bar fatigue
PROPELLER SHAFT
DIFFERENTIAL
REAR AXLE AND REAR SUSPENSION
TIRES
ROAD WHEEL
DRIVE SHAFT
BRAKES
STEERING
Symptom REAR SUSPENSION Noise
×××××× ××××××××
Shake ×××× × × ××××××
Vibration ××××× × ×× × ×
Shimmy ×××× × ××× ××
Judder ××× ××× ××
Poor quality ride or
handling ××××× ×× ×××

REAR SUSPENSION ASSEMBLY RSU-5
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RSU
Revision: 2006 July 2007 FX35/FX45
REAR SUSPENSION ASSEMBLYPFP:55020
On-Vehicle Inspection and ServiceNES000HU
Make sure the mounting conditions (looseness, back lash) of each component and component status (wear,
damage) are normal.
INSPECTION OF BALL JOINT END PLAY
Measure axial end play by installing and moving up/down with an
iron pry bar or something similar between suspension arm and axle.
CAUTION:
Be careful not to damage ball joint boot.
SHOCK ABSORBER INSPECTION
Check shock absorber for oil leakage, damage and replace if necessary.
Wheel Alignment InspectionNES000HV
DESCRIPTION

Measure wheel alignment under unladen conditions. “Unladen conditions” means that fuel, engine cool-
ant, and lubricant are full. Spare tire, jack, hand tools and mats in designated positions.
PRELIMINARY INSPECTION

Check tires for improper air pressure and wear.

Check road wheels for runout.

Check wheel bearing axial end play.

Check ball joint axial end play of suspension arm.

Check shock absorber operation.

Check each mounting point of axle and suspension for looseness and deformation.

Check each link, arm and member for cracks, deformation, and other damage.

Check vehicle posture.
GENERAL INFORMATION AND RECOMMENDATIONS

A four-wheel thrust alignment should be performed.
–This type of alignment is recommended for any NISSAN/INFINITI vehicle.
–The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel is
centered.
–The alignment rack itself should be capable of accepting any NISSAN/INFINITI vehicle.
–The rack should be checked to ensure that it is level.

Make sure the machine is properly calibrated.
–Your alignment equipment should be regularly calibrated in order to give correct information.
–Check with the manufacturer of your specific equipment for their recommended Service/Calibration
Schedule. Standard value
Axial end play : 0 mm (0 in)
SEIA0245J

RSU-6
REAR SUSPENSION ASSEMBLY
Revision: 2006 July 2007 FX35/FX45
THE ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specifications listed in this Service Manual.

When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Do NOT use these indicators.
–The alignment specifications programmed into your machine that operate these indicators may not be cor-
rect.
–This may result in an ERROR.

Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units). DO NOT use this “Rolling Compensation”
method.
–Use the “Jacking Compensation Method”. After installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
–See Instructions in the alignment machine you're using for more information on this.
CAMBER INSPECTION

Measure camber of both right and left wheels with a suitable
alignment gauge and adjust in accordance with the following
procedures.
If outside the standard value, adjust with adjusting bolt in front
lower link.
NOTE:
After adjusting camber, be sure to check toe-in.
TOE-IN
If toe-in is not within the specification, adjust with adjusting bolt in
rear lower link.
CAUTION:
Be sure to adjust equally on RH and LH side with adjusting bolt.
If toe-in is not still within the specification, inspect and replace any
damaged or worn rear suspension parts. Standard value
Camber : Refer to RSU-18, "
SERVICE DATA
AND SPECIFICATIONS (SDS)" .
SRA096A
SEIA0227E
SEIA0228E

REAR SUSPENSION ASSEMBLY RSU-7
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RSU
Revision: 2006 July 2007 FX35/FX45
Removal and installationNES000HY
COMPONENTS
PEIA0054E