3C-24
1973 OPEL SERVICE MANUAL
NOTE:
FRONT OF CAR
4
Figure
3C-3
Upper Control Arm Shaft and Bushings
x.3
Figure
3C-4
Supporting Vehicle at Both Lower
Control Arms
(B) (rear) between upper control arm and shock ab-
sorber support. See Figure
3C-5.
5. One
.24”
thick washer each is installed in produc-
tion on each car side. Consequently, only two adjust-
ments are possible by adding washers of different
thickness.
6. One
.12”
in front and one
.36”
in the rear (caster
increase of 1 degree) or one
.36”
in front and one. 12”
in the rear (caster decrease of 1 degree). Never add
FRONT OF CAR
3G5
Figure
3C-5
Caster Adjustment Washer Location
-
Opel 1900
-
Manta
several washers in one place. The washers B installed
in production have a larger outer diameter than the
washer A. For service, the Parts and Accessories
Department supplies only larger washers with an
outer diameter of 1.57”.
7. Insert control arm shaft from front towards the
rear into upper control arm and shock absorber
SUP-
port. Observe that the crown of both plate washers
shows inwards. See Figure
3C-5.
8. Torque hex nut of control arm shaft to 40 ft.lbs.
Always use new self-locking nut.
9. Torque wheel nuts to 75
ft.lbs.
10. Recheck caster setting.
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