Infiniti G20 (P11). Manual — part 533
4.
Check front suspension for looseness.
5.
Check steering linkage for looseness.
6.
Check that front shock absorbers work properly.
7.
Check vehicle posture (Unladen).
SRA096A
Camber, Caster and Kingpin Inclination
NCSU0007S02
Camber, caster and kingpin inclination are preset at factory
and cannot be adjusted.
1.
Measure camber, caster and kingpin inclination of both right
and left wheels with a suitable alignment gauge.
Camber, caster and kingpin inclination:
Refer to SDS, SU-15.
2.
If
camber,
caster
or
kingpin
inclination
is
not
within
specification, inspect front suspension parts. Replace dam-
aged or worn out parts.
AFA050
Toe-in
NCSU0007S03
Measure toe-in using the following procedure.
WARNING:
I
Always perform the following procedure on a flat surface.
I
Make sure that no person is in front of the vehicle before
pushing it.
1.
Bounce front of vehicle up and down to stabilize the posture.
2.
Push the vehicle straight ahead about 5 m (16 ft).
3.
Put a mark on base line of tread (rear side) of both tires at the
same height as hub center. These are measuring points.
SFA234AC
4.
Measure distance “A” (rear side).
5.
Push the vehicle slowly ahead to rotate the wheels 180
degrees (1/2 turn).
If the wheels have rotated more than 180 degrees (1/2 turn), try
the above procedure again from the beginning. Never push
vehicle backward.
6.
Measure distance “B” (front side).
Total toe-in:
Refer to SDS, SU-15.
SFA486A
7.
Adjust toe-in by varying the length of steering tie-rods.
a.
Loosen lock nuts.
b.
Adjust toe-in by screwing tie-rods in and out.
Standard length “L”:
Refer to ST-32, “SDS”.
c.
Tighten lock nuts to specified torque.
Lock nut tightening torque:
Refer to ST-15, “POWER STEERING GEAR AND LINK-
AGE”.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
FRONT SUSPENSION
On-vehicle Service (Cont’d)
SU-7
SFA439BA
Front Wheel Turning Angle
NCSU0007S04
1.
Set wheels in straight-ahead position. Then move vehicle for-
ward until front wheels rest on turning radius gauge properly.
2.
Rotate steering wheel all the way right and left; measure turn-
ing angle.
Wheel turning angle (Full turn):
Refer to SDS, SU-15.
FRONT SUSPENSION
On-vehicle Service (Cont’d)
SU-8
Coil Spring and Shock Absorber
COMPONENTS
=NCSU0008
SFA810BA
1.
Gasket
2.
Shock absorber mounting insulator
3.
Upper rubber seat
4.
Shock absorber bushing
5.
Dust cover
6.
Bound bumper rubber
7.
Coil spring
8.
Shock absorber
9.
Third link
10. Cap
11. Wheel hub and steering knuckle
assembly
12. Cotter pin
13. Transverse link
14. Connecting rod
15. Stabilizer bar
16. Gusset pin
17. Cotter pin
18. Drive shaft
19. Upper link bracket
20. Upper link
21. Bushing
22. Washer
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
BR
ST
RS
BT
HA
SC
EL
IDX
FRONT SUSPENSION
Coil Spring and Shock Absorber
SU-9
REMOVAL
=NCSU0009
I
Remove shock absorber fixing bolt and nut (to hoodledge).
I
Do not remove piston rod lock nut on vehicle.
SSU028
DISASSEMBLY
NCSU0010
1.
Set shock absorber on vise.
2.
Compress spring with Tool so that shock absorber mounting
insulator 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
NCSU0011
Shock Absorber Assembly
NCSU0011S01
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.
Mounting Insulator and Rubber Parts
NCSU0011S02
I
Check cemented rubber-to-metal portion for separation or
cracks. Check rubber parts for deterioration.
Replace if necessary.
Coil Spring
NCSU0011S03
I
Check for cracks, deformation or other damage. Replace if
necessary.
FRONT SUSPENSION
Coil Spring and Shock Absorber (Cont’d)
SU-10
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