Infiniti QX56 (Z62). Manual - part 1068

RSU-14

< REMOVAL AND INSTALLATION >

SUSPENSION ARM

1.

Move the ball joint at least ten times by hand to check for smooth movement.

2.

Hook spring balance (A) at groove. Confirm spring balance
measurement value is within specifications when ball stud
begins moving.

• If swing torque exceeds the standard range, replace suspension

arm assembly.

Rotating Torque Inspection

1.

Move the ball joint at least ten times by hand to check for smooth movement.

2.

Check that rotating torque is within the specifications.

• If rotating torque exceeds the standard range, replace suspension arm assembly.

Axial End Play Inspection

1.

Move the ball joint at least ten times by hand to check for smooth movement.

2.

Move tip of ball stud in axial direction to check for looseness.

• If axial end play exceeds the standard range, replace suspension arm assembly.

INSPECTION AFTER INSTALLATION

1.

Check wheel alignment. Refer to 

RSU-6, "Inspection"

.

2.

Adjust neutral position of steering angle sensor. Refer to 

BRC-64, "Work Procedure"

.

3.

Adjust levelizer adjustment of height sensor. Refer to 

EXL-61, "LEVELIZER ADJUSTMENT : Special

Repair Requirement"

.

4.

Check  standard vehicle height setting of vehicle height sensor. Refer to 

SCS-67, "Work Procedure"

.

ADJUSTMENT AFTER INSTALLATION (WITH HBMC)

Bleed air from the HBMC. Refer to 

SCS-18, "Work Procedure"

.

Swing torque

: Refer to 

RSU-20, "Ball Joint"

.

JPEIA0005ZZ

Rotating torque

: Refer to 

RSU-20, "Ball Joint"

.

Axial end play

: Refer to 

RSU-20, "Ball Joint"

.

FRONT LOWER LINK

RSU-15

< REMOVAL AND INSTALLATION >

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RSU

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FRONT LOWER LINK

Exploded View

INFOID:0000000006225673

Removal and Installation

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REMOVAL

1.

Remove tires with power tool. Refer to 

WT-64, "Removal and Installation"

.

2.

Set suitable jack under rear lower link.

3.

Remove shock absorber mounting bolts from front lower link. Refer to 

RSU-10, "Exploded View"

.

4.

Remove stabilizer connecting rod. (Without HBMC) Refer to 

RSU-17, "Removal and Installation"

.

5.

Remove front lower link mounting bolts and nuts from axle housing.

6.

Remove front lower link mounting bolt, nuts, stopper rubbers, eccentric disc, and adjusting bolt from rear
suspension member, and remove front lower link.

7.

Perform inspection after removal. Refer to 

RSU-15, "Inspection"

.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Perform final tightening of rear suspension member and axle installation position (rubber bushing), under

unladen conditions with tires on level ground.

• Perform inspection after installation. Refer to 

RSU-15, "Inspection"

.

Inspection

INFOID:0000000006225675

INSPECTION AFTER REMOVAL

Appearance

Check the following items, and replace the part if necessary.
• Front lower link and bushing for deformation, cracks or damage.
• Boot of ball joint for cracks or damage, and also for grease leakage.

Ball Joint Inspection

Manually move ball stud to confirm it moves smoothly with no binding.

Swing Torque Inspection

1.

Move the ball joint at least ten times by hand to check for smooth movement.

1.

Rear suspension member

2.

Adjusting bolt

3.

Stopper rubber

4.

Front lower link

5.

Eccentric disc

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPEIB0231GB

RSU-16

< REMOVAL AND INSTALLATION >

FRONT LOWER LINK

2.

Hook spring balance (A) at groove. Confirm spring balance
measurement value is within specifications when ball stud
begins moving.

• If swing torque exceeds the standard range, replace front lower

link.

Rotating Torque Inspection

1.

Move the ball joint at least ten times by hand to check for smooth movement.

2.

Check that rotating torque is within the specifications.

• If rotating torque exceeds the standard range, replace front lower link.

Axial End Play Inspection

1.

Move the ball joint at least ten times by hand to check for smooth movement.

2.

Move tip of ball stud in axial direction to check for looseness.

• If axial end play exceeds the standard range, replace front lower link.

INSPECTION AFTER INSTALLATION

1.

Check wheel alignment. Refer to 

RSU-6, "Inspection"

.

2.

Adjust neutral position of steering angle sensor. Refer to 

BRC-64, "Work Procedure"

.

Swing torque

: Refer to 

RSU-20, "Ball Joint"

.

JPEIA0005ZZ

Rotating torque

: Refer to 

RSU-20, "Ball Joint"

.

Axial end play

: Refer to 

RSU-20, "Ball Joint"

.

REAR STABILIZER

RSU-17

< REMOVAL AND INSTALLATION >

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REAR STABILIZER

Exploded View

INFOID:0000000006270956

Removal and Installation

INFOID:0000000006270957

REMOVAL

1.

Remove stabilizer connecting rods.

2.

Remove stabilizer clamps and stabilizer bushings.

3.

Remove stabilizer bar.

4.

Perform inspection after removal. Refer to 

RSU-17, "Inspection"

.

INSTALLATION

Note the following, and install in the reverse order of removal.
• Tighten the mounting nut to the specified torque while holding a hexagonal part of stabilizer connecting rod

side.

Inspection

INFOID:0000000006270958

INSPECTION AFTER REMOVAL

Check stabilizer bar, stabilizer connecting rod, stabilizer bushing and stabilizer clamp for deformation, cracks
or damage. Replace it if necessary.

1.

Stabilizer bar

2.

Stabilizer bushing

3.

Stabilizer clamp

4.

Stabilizer connecting rod

5.

Front lower link

Refer to 

GI-4, "Components"

 for symbols in the figure.

JPEIB0249GB