Infiniti QX56 (Z62). Manual - part 729

FAX-18

< REMOVAL AND INSTALLATION >

[4WD]

FRONT WHEEL HUB AND KNUCKLE

REMOVAL AND INSTALLATION

FRONT WHEEL HUB AND KNUCKLE

Exploded View

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Removal and Installation

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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 wheel 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 

FAX-18, "Removal and Installation"

.

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPDIF0298GB

FRONT WHEEL HUB AND KNUCKLE

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< REMOVAL AND INSTALLATION >

[4WD]

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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 matching 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 direction 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 clearance 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 the 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

FAX-20

< REMOVAL AND INSTALLATION >

[4WD]

FRONT WHEEL HUB AND KNUCKLE

• Never reuse cotter pin.
• Perform inspection after installation. Refer to 

FAX-20, "Inspection"

.

Inspection

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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"

.

FRONT DRIVE SHAFT BOOT

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< REMOVAL AND INSTALLATION >

[4WD]

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FRONT DRIVE SHAFT BOOT

Exploded View

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Removal and Installation

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NOTE:
Remove boot after drive shaft is removed from the vehicle.
• Remove and install drive shaft. Refer to 

FAX-22, "Removal and Installation"

.

• Disassembly and assembly drive shaft. Refer to 

FAX-23, "WHEEL SIDE : Disassembly and Assembly"

(wheel side) or 

FAX-26, "FINAL DRIVE SIDE : Disassembly and Assembly"

 (final drive side).

Inspection

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INSPECTION AFTER REMOVAL

• Move joint up/down, left/right, and in the axial directions. Check for motion that is not smooth and for signifi-

cant looseness.

• Check boot for cracks, damage, and leakage of grease.
• Disassemble drive shaft and exchange malfunctioning part if there

is a non-standard condition.

1.

Circular clip

2.

Dust shield

3.

Housing

4.

Snap ring

5.

Ball cage/steel ball/inner race assem-
bly

6.

Stopper ring

7.

Boot band

8.

Boot

9.

Shaft

10. Circular clip

11.

Joint sub-assembly

: Wheel side

: NISSAN genuine grease or an equivalent.

Refer to 

GI-4, "Components"

 for symbols not described on the above.

JPDIF0279ZZ

SDIA1163J