Infiniti M45 (Y34). Manual — part 732
SHOCK ABSORBER
RSU-9
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RSU
SHOCK ABSORBER
PFP:56210
Removal and Installation
AES0008Y
REMOVAL
1.
Remove tire with power tool.
2.
Set jack under rear lower link to remove fixing bolt and nut in lower side of shock absorber with power tool.
3.
Remove jack from rear lower link.
4.
Remove rear seat cushion, rear seat back and rear parcel shelf finisher. Refer to
5.
Remove cap and then remove shock absorber mounting bracket fixing nuts of shock absorber upper side
and remove shock absorber from vehicle.
INSPECTION AFTER REMOVAL
●
Check shock absorber for deformation, cracks, damage, and replace if necessary.
●
Check piston rod for damage, uneven wear, distortion, and replace if necessary.
●
Check welded and sealed areas for oil leakage, and replace if necessary.
INSTALLATION
●
Refer to
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
Refer to component parts location and do not reuse non-reusable parts.
●
Perform final tightening of shock absorber lower side (rubber bushing) under unladen condition with tires
on level ground. Check wheel alignment. Refer to
RSU-5, "Wheel Alignment Inspection"
Disassembly and Assembly
AES0008Z
DISASSEMBLY
CAUTION:
Make sure piston rod on shock absorber is not damaged when removing components from shock
absorber.
1.
Remove shock absorber mounting seal from shock absorber mounting bracket.
2.
Wrap a shop cloth around lower side of shock absorber and fix it in a vise.
CAUTION:
Do not set the cylindrical part of shock absorber in vise.
3.
Secure piston rod tip so that piston rod does not turn, and remove piston rod lock nut.
4.
Remove bushes, distance tube, shock absorber mounting bracket, bound bumper cover and bound
bumper from shock absorber.
INSPECTION AFTER DISASSEMBLY
Bound Bumper and Bushing
●
Check bound bumper and busing for cracks, deformation or other damage. Replace if necessary.
ASSEMBLY
●
Refer to
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
●
Refer to component parts location and do not reuse non-reusable parts.
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Make sure piston rod on shock absorber is not damaged when attaching components to shock
absorber.
RSU-10
SUSPENSION ARM
SUSPENSION ARM
PFP:55501
Removal and Installation
AES00090
REMOVAL
1.
Remove tire with power tool.
2.
Remove brake caliper with power tool. Hang it in a place where it will not interfere with work. Refer to
CAUTION:
Avoid depressing brake pedal while brake caliper is removed.
3.
Remove stabilizer connecting rod mounting bracket from suspension arm with power tool.
4.
Remove fixing bolts and nuts between suspension arm and rear suspension member with power tool.
5.
Remove cotter pin of suspension arm ball joint, then loosen mounting nut.
6.
Use a ball joint remover (suitable tool) to remove suspension arm from axle. Be careful not to damage ball
joint boot.
CAUTION:
To prevent damage to threads and to prevent ball joint remover (suitable tool) from coming off,
and temporarily tighten mounting nuts.
7.
Remove suspension arm from vehicle.
INSPECTION AFTER REMOVAL
Visual Inspection
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Check suspension arm and bushing for deformation, cracks, or damage. If any non-standard condition is
found, replace it.
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Check boot of ball joint for cracks or damage, and also for grease leakage.
Ball Joint Inspection
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Manually move ball stud to confirm it moves smoothly with no binding.
Swing Torque Inspection
CAUTION:
Before measuring, move ball joint at least ten times by hand to check for smooth movement.
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Hook spring scale at cotter pin mounting hole. Confirm spring
scale measurement value is within specifications when ball stud
begins moving.
●
If it is outside the specified range, replace suspension arm
assembly.
Rotating Torque Inspection
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Attach mounting nut to ball stud. Check that rotating torque is
within specifications with a preload gauge (special service tool).
●
If it is outside the specified range, replace suspension arm
assembly.
Standard value
Swing torque:
0.5 - 3.4 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)
Measured value of spring scale:
7.85 - 54.4 N (0.80 - 5.55 kg, 1.77 - 12.27 lb)
SDIA1143E
Standard value
Rotating torque:
0.5 - 3.4 N·m (0.06 - 0.34 kg-m, 5 - 30 in-lb)
SEIA0400E
SUSPENSION ARM
RSU-11
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Axial End Play Inspection
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Move tip of ball joint in axial direction to check for looseness.
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If it is outside the specified range, replace suspension arm assembly.
INSTALLATION
●
Refer to
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
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-
Standard value
Axial end play
: 0 mm (0 in)
RSU-12
RADIUS ROD
RADIUS ROD
PFP:55110
Removal and Installation
AES00091
REMOVAL
1.
Remove tire with power tool.
2.
Remove fixing bolt and nut in axle side of radios rod with power tool.
3.
Remove fixing bolt and nut in rear suspension member side of radios rod with power tool, then remove
radios rod from vehicle.
INSPECTION AFTER REMOVAL
●
Check radius rod and bushing for any deformation, crack, or damage. Replace if necessary.
INSTALLATION
●
Refer to
for tightening torque. Tighten in the reverse order of removal.
CAUTION:
Refer to component parts location and do not reuse non-reusable parts.
●
Perform final tightening of rear suspension member and axle installation position (rubber bushing) under
unladen condition with tires on level ground. Check wheel alignment. Refer to
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