Infiniti G20 (P11). Manual — part 537
SSU028
DISASSEMBLY
NCSU0033
1.
Set shock absorber in vise.
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.
SSU029
3.
While holding the piston rod as shown in the left figure, remove
the piston rod lock nut.
I
Be sure to loosen the piston rod lock nut after compress-
ing the spring. If it is loosened before the spring is
compressed, the piston valve nut inside the shock
absorber may be loosened.
INSPECTION
NCSU0034
Shock Absorber Assembly
NCSU0034S01
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
NCSU0034S02
Check rubber parts for deterioration or cracks.
Replace if necessary.
Coil Spring
NCSU0034S03
Check for cracks, deformation or other damage. Replace if
necessary.
SRA699A
ASSEMBLY
NCSU0035
I
Locate upper spring seat as shown.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Coil Spring and Shock Absorber (Cont’d)
SU-23
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.
Torsion Beam, Lateral Link and Control Rod
DISASSEMBLY
NCSU0036
I
Remove torsion beam assembly. Refer to “Removal and
Installation”, “REAR SUSPENSION”, SU-22.
I
Remove lateral link and control rod from torsion beam.
SRA794A
INSPECTION
NCSU0037
I
Check for cracks, distortion or other damage. Replace if nec-
essary.
Standard length:
A 207 - 208 mm (8.15 - 8.19 in)
B 394 - 395 mm (15.51 - 15.55 in)
C 601 - 603 mm (23.66 - 23.74 in)
D 106 - 108 mm (4.17 - 4.25 in)
I
Check all rubber parts for wear, cracks or deformation.
Replace if necessary.
SRA793A
ASSEMBLY
NCSU0038
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.
REAR SUSPENSION
Coil Spring and Shock Absorber (Cont’d)
SU-24
SRA701A
2.
Temporarily install lateral link and control rod on torsion beam.
I
When installing, place lateral link with the arrow topside.
SRA702A
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.
Service Data and Specifications (SDS)
GENERAL SPECIFICATIONS (REAR)
NCSU0039
Suspension type
Multi-link beam suspension
Shock absorber type
Double-acting hydraulic
REAR WHEEL ALIGNMENT (UNLADEN*)
NCSU0040
Camber
Degree minute (Decimal degree)
Minimum
−2°03
′
(−2.05°)
Nominal
−1°18
′
(−1.30°)
Maximum
−0°33
′
(−0.55°)
Total toe-in
Distance (A − B)
mm (in)
Minimum
0 (0)
Nominal
4 (0.16)
Maximum
8 (0.31)
Angle (left plus right)
Degree minute (Decimal degree)
Minimum
0
′
(0.00°)
Nominal
24
′
(0.40°)
Maximum
48
′
(0.80°)
*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
REAR SUSPENSION
Torsion Beam, Lateral Link and Control Rod (Cont’d)
SU-25
NOTES
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