Infiniti QX56 (Z62). Manual — part 737
FSU-8
< PERIODIC MAINTENANCE >
WHEEL ALIGNMENT
3.
Note the following, and adjust as shown in the figure.
a.
Obtain the point at the intersection of the measured values on the figure.
b.
Read the coordinate (scale) of the intersection point.
c.
Move the front/rear side adjusting bolts by each scale.
• If the coordinate (scale) of the intersection point is positive, move the adjusting bolt to the vehicle inside.
• If the coordinate (scale) of the intersection point is negative, move the adjusting bolt to the vehicle out-
side.
d.
Measure the camber and caster again. Check that the standard is within the proper range.
CAUTION:
• Always adjust the angle difference between left and right cambers within 33
′
.
• Always adjust the angle difference between left and right casters within 45
′
.
TOE-IN
Loosen the steering outer socket, and then adjust the length using steering inner socket.
CAUTION:
• Always evenly adjust both toe-in alternately and adjust the difference between the left and right to
the standard.
• Always fix the steering inner socket when tightening the steering outer socket.
A
: Vehicle outside
B
: Vehicle inside
Amount of
cam bolt scale
movement
Front
1 segment
on vehicle
outside
1 segment
on vehicle
inside
1 segment
on vehicle
inside
1 segment
on vehicle
outside
1 segment
on vehicle
inside
1 segment
on vehicle
outside
Amount of
movement
0
Amount of
movement
0
Rear
1 segment
on vehicle
inside
1 segment
on vehicle
outside
1 segment
on vehicle
inside
1 segment
on vehicle
outside
Amount of
movement
0
Amount of
movement
0
1 segment
on vehicle
inside
1 segment
on vehicle
outside
Camber angle
0
′
0
′
+7
′
−
7
′
+3
′
−
3
′
+3
′
−
3
′
Caster angle
−
14
′
+14
′
0
′
0
′
+7
′
−
7
′
−
7
′
+7
′
Camber, caster
: Refer to
JPEIA0239GB
Toe-in
: Refer to
FRONT COIL SPRING AND SHOCK ABSORBER
FSU-9
< REMOVAL AND INSTALLATION >
C
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G
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A
B
FSU
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REMOVAL AND INSTALLATION
FRONT COIL SPRING AND SHOCK ABSORBER
Exploded View
INFOID:0000000006225642
WITHOUT HBMC
WITH HBMC
1.
Piston rod lock nut
2.
Washer
3.
Bushing
4.
Shock absorber mounting bracket
5.
Tube
6.
Rubber seat
7.
Bound bumper cover
8.
Dust cover
9.
Coil spring
10. Shock absorber
11. Lower link
Refer to
JPEIA0251GB
FSU-10
< REMOVAL AND INSTALLATION >
FRONT COIL SPRING AND SHOCK ABSORBER
CAUTION:
The shock absorber assembly cannot be disassembled.
Removal and Installation
INFOID:0000000006225643
REMOVAL
1.
Reduce system pressure. (With HBMC) Refer to
.
CAUTION:
Inadvertent piping removal causes fluid to splatter.
2.
Remove tires with power tool. Refer to
WT-64, "Removal and Installation"
.
3.
Remove brake hose bracket from steering knuckle. Refer to
BR-23, "FRONT : Removal and Installation"
.
4.
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.
5.
Remove disc rotor. Refer to
FAX-8, "Removal and Installation"
FAX-18, "Removal and Installation"
(4WD).
6.
Remove wheel sensor and harness connector. Refer to
BRC-134, "FRONT WHEEL SENSOR : Removal
CAUTION:
Never pull on wheel sensor harness.
7.
Remove steering outer socket from steering knuckle. Refer to
ST-42, "Removal and Installation"
8.
Remove height sensor from upper link (right side). Refer to
EXL-136, "Removal and Installation"
.
9.
Set suitable jack under lower link.
10. Remove stabilizer connecting rod from lower link. (Without HBMC) Refer to
.
11. Separate upper link from steering knuckle. Refer to
FSU-17, "Removal and Installation"
.
1.
Shock absorber assembly
2.
Lower link
Refer to
for symbols in the figure.
JPEIA0256GB
FRONT COIL SPRING AND SHOCK ABSORBER
FSU-11
< REMOVAL AND INSTALLATION >
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12. Separate drive shaft from steering knuckle. (4WD) Refer to
FAX-22, "Removal and Installation"
.
13. Remove front tube assembly A and front tube assembly B from shock absorber. (With HBMC) Refer to
SCS-32, "FRONT TUBE ASSEMBLY : Removal and Installation"
14. Remove shock absorber.
15. Perform inspection after removal. (With HBMC) Refer to
FSU-12, "Inspection and Adjustment"
.
INSTALLATION
Note the following, and install in the reverse order of removal.
• Never tap on the ball joint cap of the stabilizer connecting rod with a hammer or a similar item when inserting
the stabilizer connecting rod into the lower link. (Without HBMC)
• Perform final tightening of bolts and nuts at the shock absorber lower side (rubber bushing), under unladen
conditions with tires on level ground.
• Perform inspection after installation. Refer to
FSU-12, "Inspection and Adjustment"
• Perform adjustment after installation. (With HBMC) Refer to
FSU-12, "Inspection and Adjustment"
• After replacing the shock absorber, always follow the disposal procedure to discard the shock absorber.
.
Disassembly and Assembly
INFOID:0000000006273960
CAUTION:
The shock absorber assembly cannot be disassembled. (With HBMC)
DISASSEMBLY (WITHOUT HBMC)
CAUTION:
Never damage shock absorber piston rod when removing components from shock absorber.
1.
Install shock absorber attachment [SST: ST35652000 (
−
)]
(A) to shock absorber and secure it in a vise.
CAUTION:
When installing the shock absorber attachment to shock
absorber, wrap a shop cloth around shock absorber to pro-
tect it from damage.
2.
Using a spring compressor (commercial service tool) (A), com-
press coil spring between rubber seat and shock absorber until
coil spring with a spring compressor is free.
CAUTION:
Be sure a spring compressor is securely attached coil
spring. Compress coil spring
3.
Check coil spring with a spring compressor between rubber seat
and shock absorber is free. And then remove piston rod lock nut
while securing the piston rod tip so that piston rod does not turn.
4.
Remove washer, bushings, shock absorber mounting bracket,
tube, rubber seat, bound bumper cover, dust cover from shock
absorber.
5.
After removing coil spring with a spring compressor, then gradually release a spring compressor.
CAUTION:
Loosen while making sure coil spring attachment position does not move.
6.
Remove the shock absorber attachment from shock absorber.
7.
Perform inspection after disassembly. Refer to
FSU-12, "Inspection and Adjustment"
ASSEMBLY (WITHOUT HBMC)
1.
Install shock absorber attachment [SST: ST35652000 (
−
)] to shock absorber and secure it in a vise.
CAUTION:
JPEIA0006ZZ
JPEIA0168ZZ
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