Infiniti QX56 (Z62). Manual — part 739
FSU-16
< REMOVAL AND INSTALLATION >
LOWER LINK
2.
Move tip of ball stud in axial direction to check for looseness.
• If axial end play exceeds standard range, replace lower link assembly.
INSPECTION AFTER INSTALLATION
1.
Check wheel sensor harness for proper connection. Refer to
BRC-134, "FRONT WHEEL SENSOR :
.
2.
Check wheel alignment. Refer to
.
3.
Adjust neutral position of steering angle sensor. Refer to
.
4.
Adjust levelizer adjustment of height sensor. Refer to
EXL-61, "LEVELIZER ADJUSTMENT : Special
Axial end play
: Refer to
UPPER LINK
FSU-17
< REMOVAL AND INSTALLATION >
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UPPER LINK
Exploded View
INFOID:0000000006225649
Removal and Installation
INFOID:0000000006225650
REMOVAL
1.
Remove tires with power tool. Refer to
WT-64, "Removal and Installation"
.
2.
Remove brake hose bracket from steering knuckle. 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. Refer to
FAX-8, "Removal and Installation"
(2WD),
FAX-18, "Removal and Installation"
(4WD).
5.
Remove wheel sensor and harness connector. Refer to
BRC-134, "FRONT WHEEL SENSOR : Removal
CAUTION:
Never pull on wheel sensor harness.
6.
Remove height sensor from upper link (right side). Refer to
EXL-136, "Removal and Installation"
.
7.
Set suitable jack under lower link.
8.
Separate upper link from steering knuckle. Refer to
FAX-8, "Removal and Installation"
9.
Remove upper link mounting bolts, nuts, and upper link from vehicle.
10. Perform inspection after removal. Refer to
.
1.
Upper link
2.
Eccentric disc
3.
Lower link
4.
Bump rubber
5.
Adjusting bolt
Refer to
JPEIA0237GB
FSU-18
< REMOVAL AND INSTALLATION >
UPPER LINK
INSTALLATION
Note the following, and install in the reverse order of removal.
• Perform final tightening of bolts and nuts at the vehicle installation position (rubber bushing), under unladen
conditions with tires on level ground.
• Perform inspection after installation. Refer to
.
Inspection
INFOID:0000000006225651
INSPECTION AFTER REMOVAL
Appearance
Check the following items, and replace the part if necessary.
• Upper link and bushing for deformation, cracks or damage.
• Ball joint boot for cracks or other 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.
2.
Hook a spring balance (A) at cotter pin mounting hole. Confirm
spring balance measurement value is within specifications when
ball stud begins moving.
• If swing torque exceeds standard range, replace upper link assem-
bly.
Rotating Torque Inspection
1.
Move the ball joint at least ten times by hand to check for smooth movement.
2.
Attach mounting nut to ball stud. Check that rotating torque is
within specifications with a preload gauge [SST: 3127S000 (J-
25765-A)] (A).
• If rotating torque exceeds standard range, replace lower link
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 standard range, replace upper link assembly.
INSPECTION AFTER INSTALLATION
1.
Check wheel sensor harness for proper connection. Refer to
BRC-134, "FRONT WHEEL SENSOR :
.
2.
Check wheel alignment. Refer to
.
3.
Adjust neutral position of steering angle sensor. Refer to
.
Swing torque
: Refer to
JPEIA0005ZZ
Rotating toque
: Refer to
PDIA1258E
Axial end play
: Refer to
UPPER LINK
FSU-19
< REMOVAL AND INSTALLATION >
C
D
F
G
H
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M
A
B
FSU
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4.
Adjust levelizer adjustment of height sensor. Refer to
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