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3C-8
1 9 7 7 PONTIAC SERVICE MANUAL
FIG. 3C-9 PRESSING BALL JOINT FROM KNUCKLE (TYPICAL)
LOWER BALL JOINT
Removal (Fig. 3C-10)
1. Raise the vehicle on a hoist.
2. Remove lower ball stud cotter pin.
3. Loosen but do not remove, ball stud nut (nut should
be loosened not more than one turn).
4. Install tool J 23742-1 between the ball studs and turn
threaded end of tool until the stud is free of the steering
knuckle.
C A UTI 0 N : If a hoist is not used for this operation
the lower control a m must be supported so the
chassis spring cannot force the ann down.
5. Remove the lower stud not.
6. Pull outward on the bottom of the tire and at the same
time push the tire and wheel assembly upward to free the
knuckle from the ball stud.
7. Remove the wheel and tire.
8. Lift up on the upper control arm, with the knuckle
and hub assembly attached, and place a block of wood
between the frame and upper control arm.
CAUTI 0 N: Do not pull on the brake hose when
liftng the knuckle and hub assembly.
NOTE: Remove the tie rod end from the steering
knuckle only if it is necessary.
10. Turn hex bolt until the lower ball joint is pushed out
of the control arm and remove tools.
Inspection
The above vehicles feature a new visual wear indicator
(Fig. 3C-11) on the lower ball joint. The condition of the ball
joint may be checked by the simple procedure that follows.
Be sure to follow this procedure accurately to avoid
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