Cadillac 60 Series 1963 Shop Manual page 47

4-24
CHASSIS SUSPENSION
facilitate removal of joint stud from knuckle, raise
opposite rear corner of car to help compress
spring.
12. Use jack to lift spring load from nut and
remove nut from joint stud.
13. Tilt brake backing plate outward from bot-
tom and slowly lower jack. Remove spring and
rubber insulator.
14. Remove pivot bolt from lower arm at frame
mount and remove arm.
b. Installation
1. Position inboard end of lower arm in frame
mount and install pivot bolt. Do not install nut at
this time.
2. Tape rubber insulator to top of spring.
Either end of spring may be used at top as both
ends of spring are identical.
3. Install top of spring in upper seat of frame
tower. Rotate spring so that bottom tang end fits
between raised edge on top of lower arm, and
center line of shock absorber, Fig. 4-36.
NOTE: Raised edge on top of arm faces
front of car on right side and rear of car on
left side.
4. With aid of a helper, and with jack placed
under lower arm, Fig. 4-37, tilt brake backing
plate outward from bottom, and raise arm into
position. Guide spring into position with tang end
between raised edge on top of lower arm and
center line of shock absorber.
Spring may have a tendency to rotate as arm is
raised mispositioning tang end. End of tang must
Fig. 4-36 Locating Tang End of Spring
Fig. 4-37 Coil Spring Installation
be between raised edge of arm and center line of
shock absorber after spring is installed, Fig.
4-36.
5. Guide spherical joint stud into steering
knuckle.
6. Install standard nut on joint stud and tighten
nut until joint stud seats in knuckle.
7. Remove standard nut and install lock nut on
joint stud, tightening to 65 foot-pounds.
8. Install nut on lower suspension arm pivot
bolt. Do not tighten this nut until car is on all
four wheels.
9. Tighten anchor bolt on brake backing plate
to 100 foot-pounds, and bend locking tang over one
flat of bolt head.
10. Install two bolts securing brake backing
plate to steering knuckle lower support. Tighten
to 60 foot-pounds.
11. Insert shock absorber assembly up into
coil spring and guide stem through tower in frame
cross member. Place lower end in position on
lower suspension arm. Install pivot bolt, lock