Installation - Pontiac tempest 1968 Service Manual

3-10
1968 P O N T I A C SERVICE MANUAL
4. Remove upper and lower ball studs with J 6627
and remove steering knuckle (Fig, 3-6).
INSTALLATION
1. Replace steering knuckle by reversing removal
procedure.
2. Tighten upper and lower ball stud nut on Pontiac
and upper ball stud nut on Tempest and F i r e b i r d to
steering knuckle 50 l b . ft. torque. Tighten Tempest
and Firebird lower ball stud nut to 85 l b . ft. Insert
cotter pin or continue to tighten nut until cotter pin
can be installed.
3. Position backing plate onto steering knuckle,
install and tighten backing plate top bolt to 100 lb. ft.
torque and two lower nuts to 80 lb. ft. torque.
4. Adjust wheel bearings as outlined in this sec­
tion under Adjustments and Checks on the Car.
5. Tighten wheel stud nuts to 70 l b . ft. torque on
Tempest and Firebird 75 l b . ft. on Pontiac, i f wheel
and t i r e was removed.
FRONT UPPER CONTROL ARM
REMOVAL
1. Place jack under lower control arm, raise car
and remove wheel and t i r e assembly.
2. Remove upper ball stud from steering knuckle
with J 6627 (Fig. 3-6).
3. Remove two bolts and self-locking nuts holding
upper control arm shaft to frame; remove shims
and control arm and shaft assembly. Use tool
J 22618 on Pontiac (Fig. 3-5).
NOTE; Firebird model equipped with air condi­
tioning and V8 engine. Follow steps below before
loosening upper control arm attaching bolts.
a. Remove the three front and two rear com­
pressor mounting bolts and disconnect clutch
wires.
b. Remove A / C belt and tip compressor up and
move to rear of engine compartment.
INSTALLATION
1. Position upper control arm and shaft assembly
on frame cross-member and install two bolts, wash­
ers, shims and self-locking nuts. Tighten nuts 75
lb. ft. torque on Pontiac and 50 lb. ft. on Tempest
and F i r e b i r d while holding bolts.
2. Connect upper ball stud to steering knuckle and
tighten nut 50 lb. ft. torque. Insert cotter pin or
continue to tighten nut until cotter pin can be
installed.
3. Tighten the bushing to shaft nuts i f control arm
bushing have been replaced. Torque nuts on Pontiac
to 70 lb. f t . ; Tempest and F i r e b i r d to 50 lb. ft.
4. Replace wheel. Tighten nuts 70 lb. ft. torque
on Tempest and Firebird, 75 lb. ft. on Pontiac.
5. Lower car and check front end alignment.
6. F i r e b i r d models with V8 engine and air con­
ditioning reposition A / C compressor and install
mounting bolts. Reconnect a l l clutch wires to com­
pressor clutch.
UPPER CONTROL ARM CROSS SHAFT AND/OR
BUSINGS (CONTROL ARM REMOVED FROM CAR)
FIREBIRD MODELS
REMOVE
1. Remove cap screws, lock washers and collars
from both ends of cross shaft.
2. Install a 3/8" 24 cap screw i n one end of cross
shaft.
3. Support control arm in an arbor press on tool
J 22899 and J 21482-2 as shown in Fig. 3-12.
NOTE: Be certain flange of bushing does not
contact support.
4. Press out bushing using tools shown i n Fig.
3-12, invert control arm and repeat process on
other bushing. Discard bushings.
5. Remove cap screw from cross shaft.
NOTE: If bushing rubber is deteriorated to the
extent that the bushing sleeve cannot be pushed
out, release the press, install J 9502-3 as shown
in Fig. 3-12 and press out the sleeve.
REPLACE
1. Install arm in arbor press with tool J 21482
in place and press in one bushing using J 21474-2
as shown while supported on tool J 22899 as shown
in Fig. 3-13.
2. Install cross shaft in arm, invert i n press,
and press in second bushing as above.
3. Cross shaft should be able to be turned by
hand.