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PREPARATIONFAX-13
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PREPARATION
PREPARATION
Special Service ToolsINFOID:0000000006225391
The actual shapes of Kent-Moore t ools may differ from those of special service tools illustrated here.
Commercial Service ToolsINFOID:0000000006225392
Tool number
(Kent-Moore No.)
Tool name Description
KV40107300
( − )
Boot band crimping tool Installing boot band
KV40107500
( − )
Drive shaft attachment Removing drive shaft
KV38106300
( − )
Protector
a: 35 mm (1.38 in) dia. Installing drive shaft
ZZA1229D
ZZA1230D
PDIA1183J
Tool name
Description
Power tool Loosening bolts and nuts
Ball joint remover Removing ball joint for steering knuckle Removing hub bolt
PBIC0190E
NT146
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FAX-14
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PREPARATION
Drive shaft puller Removing drive shaft joint sub assembly
Sliding hummer Removing drive shaft Tool name
Description
JPDIG0152ZZ
ZZA0023D
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGFAX-15
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Tr INFINITI QX56 2011 Factory Service Manual
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGFAX-15
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Tr](/manual-img/42/57033/w960_57033-2914.png)
NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTINGFAX-15
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SYMPTOM DIAGNOSIS
NOISE, VIBRATION AND HARSHN ESS (NVH) TROUBLESHOOTING
NVH Troubleshooting ChartINFOID:0000000006225393
Use chart below to find the cause of the symptom. If necessary, repair or replace these parts.
×: ApplicableReference
—
FAX-28—
FAX-18—
FAX-16
NVH in FAX and FSU sections
Refer to FRONT 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 ST section
Possible cause and SUSPECTED PARTS
Excessive joint angle
Joint sliding resistance
Imbalance
Improper installation, looseness
Parts interference
Wheel bearing damage
FRONT AXLE AND FRONT SUSPENSION
FRONT AXLE
TIRE
ROAD WHEEL
DRIVE SHAFT
BRAKE
STEERING
Symptom DRIVE
SHAFT
Noise
×× ××××× ××
Shake × × ××××× ××
FRONT
AXLE Noise
×××× ×××××
Shake ×××× ×××××
Vibration ×××× × × ×
Shimmy ×× × ×× ××
Judder × × ×× ××
Poor quality ride or handling ×× × ××
Revision: 2010 May2011 QX56
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FAX-16
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FRONT WHEEL HUB AND KNUCKLE
PERIODIC MAINTENANCE
FRONT WHEEL HUB AND KNUCKLE
InspectionINFOID:0000000006225394
MOUNTING INSPECTION
Make sure that the mounting conditions (looseness,
backlash) of each component and component conditions
(wear, damage) are normal.
WHEEL BEARING INSPECTION
Move wheel hub and bearing assembly in the axial dire ction by hand. Make sure there is no looseness of
wheel hub and bearing assembly.
Rotate wheel hub and bearing assembly and make sure that is no unusual noise or other irregular condi- tions. If there is any of irregular conditions, replace wheel hub and bearing assembly. Axial end play : Refer to
FAX-29, "
Wheel Hub and
Bearing Assembly".
Revision: 2010 May2011 QX56
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FRONT DRIVE SHAFTFAX-17
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FRONT DRIVE SHAFT
InspectionINFOID:0000000006225395
Check the following items, and replace the part if necessary.
Check drive shaft mounting point and joint for looseness and other damage. CAUTION:
Replace entire drive shaft assem bly when noise or vibration occurs from drive shaft.
Check boot for cracks and other damage.
Revision: 2010 May2011 QX56
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![INFINITI QX56 2011 Factory Service Manual
FAX-18
< REMOVAL AND INSTALLATION >[4WD]
FRONT WHEEL HUB AND KNUCKLE
REMOVAL AND INSTALLATION
FRONT WHEEL HUB AND KNUCKLE
Exploded ViewINFOID:0000000006225396
Removal and InstallationINFOID:000000000 INFINITI QX56 2011 Factory Service Manual
FAX-18
< REMOVAL AND INSTALLATION >[4WD]
FRONT WHEEL HUB AND KNUCKLE
REMOVAL AND INSTALLATION
FRONT WHEEL HUB AND KNUCKLE
Exploded ViewINFOID:0000000006225396
Removal and InstallationINFOID:000000000](/manual-img/42/57033/w960_57033-2917.png)
FAX-18
< REMOVAL AND INSTALLATION >[4WD]
FRONT WHEEL HUB AND KNUCKLE
REMOVAL AND INSTALLATION
FRONT WHEEL HUB AND KNUCKLE
Exploded ViewINFOID:0000000006225396
Removal and InstallationINFOID:0000000006225397
REMOVAL
1. Remove tires.
2. Remove brake hose bracket. Refer to
BR-23, "
FRONT : Removal and Installation".
3. Remove caliper assembly mounting bolts. Hang caliper assembly in a place where it will not interfere with work. Refer to BR-37, "
BRAKE CALIPER ASSEMBLY : Removal and Installation".
CAUTION:
Never depress brake pedal while brake caliper is removed.
4. Remove disc rotor. CAUTION:
Put matching marks on the wh eel hub and bearing assembly and the disc rotor before removing
the disc rotor.
Never drop disc rotor.
5. Remove wheel sensor harness. Refer to BRC-134, "
FRONT WHEEL SENSOR : Removal and Installa-
tion".
CAUTION:
Never pull on wheel sensor harness.
6. Remove steering outer socket. Refer to ST-42, "
Removal and Installation".
1. Steering knuckle 2. Cotter pin 3. Splash guard
4. Hub bolt 5. Wheel hub and bearing assembly 6. Disc rotor
7. Wheel hub lock nut
A. Tightening must be done following the installation procedure. Refer to FA X - 1 8 , "
Removal and Installation".
Refer to GI-4, "
Components" for symbols in the figure.
JPDIF0298GB
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FRONT WHEEL HUB AND KNUCKLEFAX-19
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7. Set suitable jack under lower link.
8. Remove shock absorber mounting bolt from lower link. R INFINITI QX56 2011 Factory Service Manual
FRONT WHEEL HUB AND KNUCKLEFAX-19
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7. Set suitable jack under lower link.
8. Remove shock absorber mounting bolt from lower link. R](/manual-img/42/57033/w960_57033-2918.png)
FRONT WHEEL HUB AND KNUCKLEFAX-19
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7. Set suitable jack under lower link.
8. Remove shock absorber mounting bolt from lower link. Refer to FSU-10, "
Removal and Installation".
9. Separate upper link from steering knuckle, using the ball joint remover (commercial service tool), and
remove upper link.
CAUTION:
Temporarily tighten the nut to prevent damage to threads and to prevent the ball joint remover
from suddenly coming off.
Never damage ball joint boot.
10. Remove cotter pin, and then loosen wheel hub lock nut.
11. Put matching mark on drive shaft and wheel hub and bearing assembly. CAUTION:
Use paint or similar substance for matc hing marks. Never scratch the surface.
12. Patch wheel hub lock nut with a piece of wood. Hammer the wood to disengage wheel hub and bearing assembly from drive shaft.
CAUTION:
Never place drive shaft joint at an extreme angle. Also be careful not to overextend slide joint.
Never allow drive shaft to hang down without support for or joint sub-assembly, shaft and the
other parts.
NOTE:
Use suitable puller, if wheel hub and bearing assembly and drive shaft cannot be separated even after
performing the above procedure.
13. Remove wheel hub lock nut.
14. Remove wheel hub and bearing assembly, and then remove splash guard.
15. Remove lower link from steering knuckle. CAUTION:
Never damage ball joint boot.
16. Remove steering knuckle.
17. Remove hub bolts (1) from wheel hub and bearing assembly, using the ball joint remover (A) (commercial service tool).
CAUTION:
Remove hub bolt only when necessary.
Never hammer the hub bolt to avoid impact to the wheel
hub and bearing assembly.
Pull out the hub bolt in a di rection perpendicular to the
wheel hub and bearing assembly.
18. Perform inspection after removal. Refer to FAX-20, "
Inspection".
INSTALLATION
Note the following, and install in the reverse order of removal.
Place a suitable washer (A) as shown in the figure to install the hub
bolts (1) by using the tightening force of the nut (B).
CAUTION:
Check that there is no cl earance between wheel hub and
bearing assembly, and hub bolt.
Never reuse hub bolt.
Use the following torque range for tightening the wheel hub lock nut.
CAUTION:
Since the drive shaft is assembled by press-fitting , use the tightening torque range for the wheel
hub lock nut.
Be sure to use torque wrench to tighten th e wheel hub lock nut. Never use a power tool.
Perform the final tightening of each of parts under unladen conditions, which were removed when removing
wheel hub and bearing assembly and steering knuckle.
JPDIF0299ZZ
: 118 – 123 N·m (12.1 – 12.5 kg-m, 87 – 90 ft-lb)
JPDIF0300ZZ
Revision: 2010 May2011 QX56
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FAX-20
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FRONT WHEEL HUB AND KNUCKLE
Never reuse cotter pin.
Perform inspection after installation. Refer to
FAX-20, "
Inspection".
InspectionINFOID:0000000006225398
INSPECTION AFTER REMOVAL
Check components for deformation, cracks, and other damage. Replace it if necessary.
Ball Joint Inspection
Check boots of lower link and steering outer socket ball joint for breakage, axial play, and torque. Refer to
FSU-15, "
Inspection" and ST-46, "Inspection".
INSPECTION AFTER INSTALLATION
1. Check wheel sensor harness for proper connection. Refer to BRC-134, "FRONT WHEEL SENSOR :
Exploded View".
2. Check the wheel alignment. Refer to FSU-7, "
Inspection".
3. Adjust neutral position of steering angle sensor. Refer to BRC-64, "
Work Procedure".
Revision: 2010 May2011 QX56