Pontiac firebird 1968 - Page 101

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1968 PONTIAC SERVICE MANUAL
2. Remove bushing in control arm by arranging
tools as shown in Fig. 3-20.
3. Replace bushing in control arm by arranging
tools as shown in Fig. 3-20.
4. Install control arm as outlined above.
J21474-5
BOLT \ THRUST
J21058-15 BEARING
1
S
J21474-6
J21474-6
CONTROL
ARM
NUT
J21058-8
J21474-13
/
• BUSHING
INSTALLATION
Fig. 3-20 Lower Control Arm Rear Bushing (Firebi
rd)
4. Install wheel. Tighten nuts 70 lb. ft. torque on
Tempest and Firebird, 75 lb. ft. torque on Pontiac.
5. Lower car.
LOWER BALL JOINT-PONTIAC
REMOVE
1. Hoist car and support lower control arm.
2. Remove wheel tire and brake drum.
3. Remove backing plate from steering knuckle,
wire backing plate and brake assembly out of way
(Do not disconnect brake line).
4. Remove ball stud from steering knuckle with
J 6627 (Fig. 3-6), move steering knuckle out of way.
5. Remove ball joint from lower control arm by
chiseling or drilling rivet heads which retain ball
joint to control arm, and drive out rivets.
REPLACE
1. Install new ball joint, using the special bolts,
nuts and washers supplied with ball joint package.
UPPER BALL JOINT-
REMOVAL
1. Hoist car and support lower control arm.
2. Remove wheel.
3. Remove ball stud from steering knuckle with
J 6627 (Fig. 3-6).
4. Remove ball stud from upper control arm by
chiseling or drilling rivet heads which retain ball
stud to control arm, and drive out rivets.
INSTALLATION
1. Install new ball joint, using the special bolts,
nuts and washers supplied with ball joint package.
CAUTION: Use only the special alloy bolts sup-
plied with ball joint package.
2. Tighten nuts to 11 lb. ft. torque.
3. Install ball stud in steering knuckle. Tighten
nut to 50 lb. ft. torque. Insert cotter pin or continue
to tighten nut until cotter pin can be installed.
CAUTION: Use only the special alloy bolts sup-
plied with ball joint package.
2. Tighten nuts 11 lb. ft. torque.
3. Install ball stud in steering knuckle and tighten
nut 50 lb. ft. torque. Insert cotter pin or continue
to tighten nut until cotter pin can be installed.
4. Install backing plate. Tighten backing plate
bolt 100 lb. ft. torque and nuts 80 lb. ft. torque.
5. Install brake drum and wheel assembly. Ad-
just wheel bearing as outlined under ADJUSTMENTS
AND CHECKS ON THE CAR.
6. Lower car.
LOWER BALL JOINT
REMOVE-TEMPEST AND FIREBIRD
1. Support lower control arm at outer end with
hoist or jack pad clear of lower ball stud. Remove
the wheel and brake drum.
2. Remove backing plate bolts and anchor pin
bolt, wire backing plate and brake assembly out of
way (Do not disconnect brake line).