Adjust Caster And Camber; Wheel Bearing Adjustment; Checking And Adjusting Sequence-Front Wheel Alignment; Checking Wheel Bearing Adjustment - Pontiac Grand Prix Service Manual

FRONT SUSPENSION 3-3
9. Check for proper lubrication of front end suspension
components.
CHECKING AND ADJUSTING SEQUENCE-FRONT
WHEEL ALIGNMENT
All measurements and adjustments should be made in
the following order.
a. Curb height (see Curb Height chart in section 0).
b. Caster and camber.
c. Toe-in.
d. Steering axis inclination.
e. Toe-out on turns.
ADJUST CASTER AND CAMBER
Caster and camber are adjusted to specifications by
placing shims between the upper control arm shaft and
the frame (Fig. 3-5). Both adjustments can be made at
the same control arm s h a t to frame bolts. Tool J
22618 can be used to loosen upper control arm shaft to
frame bolts on the Pontiac (Fig. 3-6).
1. To increase negative caster add shims to front bolt
or remove shims from rear bolt.
Fig. 3-3 Wheel Bearing Adjustment
2. Check front wheel bearing adjustment and correct if
necessary.
3. Check wheel and tire run-out.
4. Check wheel and tire for excessive unbalance which
would affect steering.
5. Check spherical ball joints.
6. Check steering linkage for looseness. Replace or
tighten parts.
7. Check shock absorbers for leaks or lack of control.
8. Check for extraordinary load in car. Remove load or
compensate for setting height. (Samples, tools, etc.,
camed regularly should not be considered extraordi-
nary load.)
Fig. 3-4 Checking Wheel Bearing Adjustment