Pontiac firebird 1968 - Page 108

REAR SUSPENSION
4-5
2. Using a suitable pry bar placed between spring
leafs, separate leaf enough to allow removal of
insert.
3. With leaf pryed down with pry bar, install new
insert.
4. Remove pry bar and lower car to ground.
REAR UPPER CONTROL ARM—
PONTIAC AND TEMPEST
REMOVAL
If both control arms are to be replaced, the axle
may roll or slip sideways with both upper control
arms removed, making replacement difficult. Re-
move and replace one control arm at a time.
1. Place car on hoise and raise rear end.
2. Support nose of axle housing with a stand.
3. Remove pivot bolt at rear axle housing and
lift upper control arm to clear boss on axle housing.
4. Remove pivot bolt at frame cross-member and
remove upper control arm.
5. Clean and inspect rubber bushings. If worn,
replace as outlined in this section.
INSTALLATION
1. Replace upper control arm by reversing above
steps.
2. While holding nut, tighten pivot bolt to 105 lb. ft.
torque or while holding pivot bolt, tighten nut to 80
lb. ft. torque.
NOTE: Car must be at curb height when tighten-
ing pivot bolts.
REAR UPPER CONTROL ARM BUSHING—
PONTIAC AND TEMPEST
REAR BUSHING (IN AXLE HOUSING)
REPLACEMENT
1. Remove pivot bolt from upper control arm at
axle housing.
2. Arrange tools as shown in Fig. 4-5 and press
bushing from axle housing.
3. Install new bushing in axle housing by arrang-
ing tools as shown in Fig. 4-6 and press into place.
Use care to keep bushing properly aligned. Lightly
lubricate bushing to increase ease of installation.
J 21474-16
Fig. 4-5 Removing Upper Control Arm Rear Bushing -
Pontiac and Tempest
4. Position control arm in place and install pivot
bolt. While holding nut, tighten pivot bolt to 105 lb. ft.
torque or while holding pivot bolt, tighten nut to 80
lb. ft. torque.
NOTE: Car must be at curb height when tighten-
ing pivot bolts.
FRONT BUSHING (IN CONTROL ARM)
REPLACEMENT
1. Remove upper control arm from car.
2. Arrange tools as shown in Fig. 4-7 and press
bushing from control arm.
3. Install new bushing in control arm by arranging
tools as shown in Fig. 4-8 and press into place.
Use care to keep bushing properly aligned. Lightly
lubricate bushing to increase ease of installation.
4. Position control arm in place and install pivot
bolt. While holding nut, tighten pivot bolt to 105
lb. ft. torque or while holding pivot bolt, tighten nut
to 80 lb. ft. torque.
NOTE: Car must be at curb height when tighten-
ing pivot balls
J 21474-1
Fig. 4-6 Installing Upper Control Arm Rear Bushing -
Pontiac and Tempest