Infiniti I30 (A33). Manual — part 599
SSU019
4.
Using a transmission jack to lift the torsion beam, place lateral
link and control rod horizontally against torsion beam. Tighten
bolts and nuts to specified torque.
SSU021
5.
Tighten lateral link at suspension member.
6.
Attach shock absorber assembly to vehicle. Then tighten the
upper side of shock absorber assembly.
7.
Remove transmission jack and lower torsion beam so that the
shock absorber assembly reaches full extension. Tighten tor-
sion beam and lower side of shock absorber assembly to
specified torque.
Coil Spring and Shock Absorber
REMOVAL AND INSTALLATION
NHSU0032
Remove shock absorber upper and lower fixing nuts.
Do not remove piston rod lock nut on vehicle.
SRA806A
DISASSEMBLY
NHSU0033
1.
Set shock absorber in vise, then loosen piston rod lock nut.
Do not remove piston rod lock nut at this time.
2.
Compress spring with Tool so that the shock absorber upper
spring seat can be turned by hand.
WARNING:
Make sure that the pawls of the two spring compressors are
firmly hooked on the spring. The spring compressors must be
tightened alternately so as not to tilt the spring.
3.
Remove piston rod lock nut.
INSPECTION
NHSU0034
Shock Absorber Assembly
NHSU0034S01
I
Check for smooth operation through a full stroke, both com-
pression and extension.
I
Check for oil leakage on welded or gland packing portions.
I
Check piston rod for cracks, deformation or other damage.
Replace if necessary.
Upper Rubber Seat and Bushing
NHSU0034S02
Check rubber parts for deterioration or cracks.
Replace if necessary.
GI
MA
EM
LC
EC
FE
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Removal and Installation (Cont’d)
SU-23
Coil Spring
NHSU0034S03
Check for cracks, deformation or other damage. Replace if
necessary.
SRA699A
ASSEMBLY
NHSU0035
I
Locate upper spring seat as shown.
SFA436B
I
When installing coil spring, be careful not to reverse top and
bottom direction. (Top end is flat.)
I
When installing coil spring on shock absorber, it must be posi-
tioned as shown in figure at left.
CAUTION:
Do not reuse piston rod lock nut.
Torsion Beam, Lateral Link and Control Rod
DISASSEMBLY
NHSU0036
I
Remove torsion beam assembly. Refer to “Removal and
Installation”, “REAR SUSPENSION”, SU-22.
I
Remove lateral link and control rod from torsion beam.
SSU025
INSPECTION
NHSU0037
I
Check for cracks, distortion or other damage. Replace if nec-
essary.
Standard length:
A 206.5 - 208.5 mm (8.13 - 8.21 in)
B 393.5 - 395.5 mm (15.49 - 15.57 in)
C 600 - 604 mm (23.62 - 23.78 in)
D 106 - 108 mm (4.17 - 4.25 in)
I
Check all rubber parts for wear, cracks or deformation.
Replace if necessary.
REAR SUSPENSION
Coil Spring and Shock Absorber (Cont’d)
SU-24
SRA793A
ASSEMBLY
NHSU0038
1.
Temporarily assemble lateral link and control rod.
I
When installing the control rod, connect the bush with the
smaller inner diameter to the lateral link.
SSU022
2.
Temporarily install lateral link and control rod on torsion beam.
I
When installing, place lateral link with the arrow topside.
SSU024
3.
Place lateral link and control rod horizontally against torsion
beam, and tighten to the specified torque.
4.
Install torsion beam assembly. Refer to “Removal and
Installation”, “REAR SUSPENSION”, SU-22.
GI
MA
EM
LC
EC
FE
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Torsion Beam, Lateral Link and Control Rod (Cont’d)
SU-25
Service Data and Specifications (SDS)
GENERAL SPECIFICATIONS (REAR)
=NHSU0039
Suspension type
Multi-link beam suspension
Shock absorber type
Double-acting hydraulic
REAR WHEEL ALIGNMENT (UNLADEN*)
NHSU0040
Camber
Degree minute (Decimal degree)
Minimum
−1°45
′
(−1.75°)
Nominal
−1°00
′
(−1.00°)
Maximum
−0°15
′
(−0.25°)
Total toe-in
Distance (A − B)
mm (in)
Minimum
−3 (−0.12)
Nominal
1 (0.04)
Maximum
5 (0.20)
Angle (left plus right)
Degree minute (Decimal degree)
Minimum
−16
′
(−0.27°)
Nominal
5
′
30
′′
(0.09°)
Maximum
26
′
(0.43°)
*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
REAR SUSPENSION
Service Data and Specifications (SDS)
SU-26
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