Infiniti Q45. Manual — part 778
SUSPENSION ARM
RSU-11
C
D
F
G
H
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B
RSU
SUSPENSION ARM
PFP:55501
Removal and Installation
NES0006P
REMOVAL
1.
Remove tires with power tool.
2.
Remove nuts, and then remove connecting rod mounting
bracket from suspension arm with power tool.
3.
Set jack under rear lower link to relive the coil spring tension.
4.
Remove suspension arm ball joint cotter pin, and then loosen nut.
5.
Remove suspension arm from axle housing so as not to damage
ball joint boot using ball (suitable tool).
CAUTION:
Tighten temporarily mounting nut to prevent damage to
threads and to prevent ball joint remover (suitable tool)
from coming off.
6.
Remove nuts, bolts and washer of suspension arm and rear
suspension member with power tool.
7.
Remove suspension arm from vehicle.
INSPECTION AFTER REMOVAL
Visual Inspection
●
Check suspension arm and bushing for deformation, cracks, or damage. If any non-standard condition is
found, replace it.
●
Check 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
NOTE:
Before measuring, move ball joint at least ten times by hand to check for smooth movement.
●
Hook a spring balance at cotter pin mounting hole. Confirm
spring balance measurement value is within the specifications
when ball stud begins moving.
●
Replace suspension arm assembly if value is out side standard.
SDIA2280E
SDIA2279E
Specified swing torque:
0.50 - 3.43 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)
Specified value of spring balance:
7.85 - 54.4 N (0.80 - 5.55 kg, 1.77 - 12.23 lb)
SEIA0523E
RSU-12
SUSPENSION ARM
Rotating Torque Inspection
●
Attach mounting nut to ball stud. make sure rotating torque is
within the specifications with the preload gauge (SST).
●
Replace suspension arm assembly if value is out side standard.
Specified rotating torque:
0.50 - 3.43 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)
SDIA1150E
SUSPENSION ARM
RSU-13
C
D
F
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A
B
RSU
Axial End Play Inspection
●
Move the tip of ball joint in the axial direction to check for looseness.
●
If it is outside the specified range, replace suspension arm assembly.
INSTALLATION
●
Refer to
for tightening torque. Install in the reverse order of the removal.
NOTE:
Refer to component parts location and do not reuse non-reusable parts.
●
Perform final tightening of rear suspension member installation position (rubber bushing) under unladen
condition with tires on level ground. Check wheel alignment. Refer to
RSU-5, "Wheel Alignment Inspec-
●
After adjusting wheel alignment, adjust neutral position of steering angle sensor. Refer to
ment of Steering Angle Sensor Neutral Position"
Specified axial end play
: 0 mm (0 in)
RSU-14
RADIUS ROD
RADIUS ROD
PFP:55110
Removal and Installation
NES000HP
REMOVAL
1.
Remove tires from vehicle with power tool.
2.
Remove torque member fixing bolts with power tool. Hang it in a place where it will not interfere with work.
Refer to
NOTE:
Avoid depressing brake pedal while brake caliper is removed.
3.
RSU-16, "REAR LOWER LINK & COIL SPRING"
4.
Remove fixing bolt and nut in axle housing side of radius rod.
5.
Remove fixing bolt in axle housing side of shock absorber
assembly with power tool. Refer to
.
6.
Remove fixing bolt and nut in axle housing side of front lower
link with power tool. Refer to
7.
Remove mounting bolt in rear suspension member side of
radius rod, and then remove radius rod from vehicle.
INSPECTION AFTER REMOVAL
Check radius rod and bushing for deformation, cracks, and other damage. Replace if necessary.
INSTALLATION
●
Install in the reverse order of removal. For tightening torque, refer to
NOTE:
Do not reuse non-reusable parts.
●
Perform final tightening of nuts and bolts of rear suspension member and axle housing installation position
(rubber bushing) under unladen conditions with tires on level ground. Check wheel alignment. Refer to
RSU-5, "Wheel Alignment Inspection"
●
Adjust neutral position of steering angle sensor after wheel alignment inspection. Refer to
ment of Steering Angle Sensor Neutral Position"
.
SDIA2277E
SEIA0456E
SDIA2278E
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