Pontiac Fiero 1988 Service Manual page 190

FRONT SUSPENSION 3C-5
R E M O V E
UPPER
R E M O V E
LOWER
1.
2.
Figure 5 Removal of Ball Joints From Knuckle
Install or C o n n e c t
Important
See
NOTICE
on page 3C-1 of this section
regarding the fasteners referred to in the following
steps.
I n s p e c t
The tapered hole in the steering knuckle and
remove any dirt. If any out-of-roundness, defor-
mation, or damage is noted, the knuckle MUST
be replaced.
Place steering knuckle in position and insert the
upper and lower ball studs into knuckle bosses.
Ball stud nuts and tighten to specifications.
T i g h t e n
• U.C.A. ball joint 40-55 Nnn (30-40 lb. ft.).
Maximum 1/6 turn to align cotter pin (not to
exceed 75 N-m, 55 lb. ft.).
• L.C.A. ball joint 35 Nnn (26 lb. ft.) + 1/2 turn
(180°), Maximum 1/6 turn to align cotter pin.
3. Three bolts attaching splash shield to steering
knuckle.
4. Tie rod end to steering knuckle.
^ T i g h t e n
• 20 Nnn (15 lb. ft.) + 1/2 turn (180°) Maximum
1/6 turn to align cotter pin.
5. Three bolts attaching hub and bearing assembly.
Torque to 260 N-m (220 lb. ft.).
6. Rotor and brake caliper, refer to Section 5 for
torque specifications.
7. Tire and wheel assembly.
8. Remove jack under lower control arm and lower
vehicle to the ground.
U P P E R B A L L JOINT
Figures 5 and 6
Tools Required
J-26407
Drill & bits
Center punch
R e m o v e or D i s c o n n e c t
1. Raise vehicle on a hoist and support lower control
arm with a jack.
CAUTION: This keeps the coil spring
compressed. Use care to support
adequately, or personal injury could
result.
2. Tire and wheel assembly.
3. Bolt attaching brake line clip to upper control
arm.
4. Tie rod end from steering knuckle and swing
knuckle outboard.
5. Upper ball joint from steering knuckle using tool
J-26407.
6. Upper ball joint from control arm by drilling out
three attaching rivets as shown in Figure 6.
C DRILL RIVET HEAD
D PUNCH OUT RIVET BALL
Figure 6 Upper Ball Joint Removal