Infiniti M35/M45 Y50. Manual — part 1029
REAR SUSPENSION ASSEMBLY
RSU-5
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RSU
REAR SUSPENSION ASSEMBLY
PFP:55020
On-Vehicle Inspection
NES000J6
Make sure the mounting conditions (looseness, back lash) of each component and component conditions
(wear, damage) are normal.
INSPECTION SUSPENSION ARM BALL JOINT AXIAL END PLAY
Measure axial end play by placing and moving up/down with an iron pry bar or something similar between sus-
pension arm and axle assembly.
CAUTION:
Be careful not to damage ball joint boot.
SHOCK ABSORBER INSPECTION
Check shock absorber for oil leakage, damage and replace if malfunction is detected.
Wheel Alignment Inspection
NES000J7
DESCRIPTION
Measure wheel alignment under unladen conditions.
NOTE:
“Unladen conditions” means that fuel, engine coolant, and lubricant are full. Spare tire, jack, hand tools and
mats in designated positions.
PRELIMINARY INSPECTION
Check the following:
1.
Tires for improper air pressure and wear.
2.
Road wheels for runout. Refer to
3.
Wheel bearing axial end play. Refer to
RAX-5, "WHEEL BEARING INSPECTION"
4.
Ball joint axial end play of suspension arm. Refer to
RSU-5, "INSPECTION SUSPENSION ARM BALL
5.
Shock absorber operation.
6.
Each mounting point of axle and suspension for looseness and deformation.
7.
Each of front lower link, rear lower link, radius rod, rear suspension member, suspension arm and shock
absorber for cracks, deformation, and other damage.
8.
Vehicle height (posture).
GENERAL INFORMATION AND RECOMMENDATIONS
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A four-wheel thrust alignment should be performed.
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This type of alignment is recommended for any NISSAN/INFINITI vehicle.
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The four-wheel “thrust” process helps ensure that the vehicle is properly aligned and the steering wheel is
centered.
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The alignment rack itself should be capable of accepting any NISSAN/INFINITI vehicle.
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The rack should be checked to ensure that it is level.
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Make sure the machine is properly calibrated.
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Your alignment equipment should be regularly calibrated in order to give correct information.
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Check with the manufacturer of your specific equipment for their recommended Service/Calibration
Schedule.
Standard value
Axial end play
: 0 mm (0 in)
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RSU-6
REAR SUSPENSION ASSEMBLY
THE ALIGNMENT PROCESS
IMPORTANT:
Use only the alignment specifications listed in this Service Manual.
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When displaying the alignment settings, many alignment machines use “indicators”: (Green/red, plus or
minus, Go/No Go). Do NOT use these indicators.
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The alignment specifications programmed into your machine that operate these indicators may not be cor-
rect.
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This may result in an ERROR.
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Some newer alignment machines are equipped with an optional “Rolling Compensation” method to “com-
pensate” the sensors (alignment targets or head units). DO NOT use this “Rolling Compensation”
method.
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Use the “Jacking Compensation Method”. After installing the alignment targets or head units, raise the
vehicle and rotate the wheels 1/2 turn both ways.
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See Instructions in the alignment machine you're using for more information on this.
CAMBER INSPECTION
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Measure camber of both right and left wheels with a suitable alignment gauge.
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Adjust in accordance with the following procedures.
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If outside the standard value, adjust with adjusting bolt in front
lower link.
NOTE:
After adjusting camber, be sure to check toe-in.
TOE-IN
If toe-in is not within the specification, adjust with adjusting bolt in
rear lower link.
CAUTION:
Be sure to adjust equally on RH and LH side with adjusting bolt.
If toe-in is not still within the specification, inspect and replace any
damaged or worn rear suspension parts.
Standard value
Camber
: Refer to
SRA096A
SEIA0318E
SEIA0319E
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REAR SUSPENSION ASSEMBLY
RSU-7
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Components
NES000J8
PEIA0107J
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RSU-8
REAR SUSPENSION ASSEMBLY
Removal and Installation
NES000J9
REMOVAL
1.
Remove tires with a power tool.
2.
Remove brake caliper with a power tool. Hang it in a place where it will not interfere with work. Refer to
CAUTION:
Do not depressing brake pedal while brake caliper is removed.
3.
Put matching marks on both disc rotor and the wheel hub and
bearing assembly, then remove disc rotor.
4.
Remove rear under cover.
5.
Remove wheel sensor from rear final drive.
6.
Remove harness from rear final drive and rear suspension
member.
7.
Remove center muffler. Refer to
.
8.
Remove rear propeller shaft. Refer to
9.
Remove stabilizer bar. Refer to
10. Remove parking brake cable mounting bolt and separate park-
ing brake cable from vehicle and rear suspension member. Refer to
.
11. Remove rear lower link and coil spring. Refer to
RSU-16, "REAR LOWER LINK & COIL SPRING"
.
12. Remove mounting bolt on lower side of shock absorber. Refer to
13. Set jack under rear final drive.
14. Remove member stay from vehicle.
15. Remove rear pin stay mounting bolts and nuts.
16. Gradually lowering jack, remove rear pin stay and rear suspension assembly.
INSTALLATION
●
Installation is the reverse order of the removal. For tightening torque, refer to
CAUTION:
Do not reuse non-reusable parts.
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Assemble disc rotor and wheel hub and bearing assembly by
aligning each matching mark as shown in the figure when install-
ing disc rotor.
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Perform the final tightening of each of parts under unladen con-
ditions, which were removed when removing rear suspension
assembly. Check the wheel alignment. Refer to
.
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Adjust neutral position of steering angle sensor after checking
the wheel alignment. Refer to
BRC-6, "Adjustment of Steering
Angle Sensor Neutral Position"
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Check for the following after finishing work.
1.
Washer
2.
Mounting seal
3.
Bushing (upper side)
4.
Distance tube
5.
Mounting bracket
6.
Bushing (lower side)
7.
Bound bumper cover
8.
Bound bumper
9.
Shock absorber
10. Axle assembly
11. Upper seat
12. Coil spring
13. Ball seat
14. Rubber seat
15. Cotter pin
16. Suspension arm
17. Connecting rod mounting bracket
18. Connecting rod
19. Mount stopper
20. Rear lower link
21. Front lower link
22. Radius rod
23. Stabilizer Bushing
24. Stabilizer Clamp
25. Stabilizer bar
26. Rear suspension member
27. Member stay
28. Stopper rubber
29. Cap
30. Rear pin stay
, for to the symbols in the figure.
SDIA2638E
SDIA2638E
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