General Description - Pontiac FIREBIRD 1972 Service Manual

FRONT SUSPENSION 3-1 1
TROUBLE DIAGNOSIS (Continued)
CONDITION OR CAUSE (Continued)
CORRECTION (Continued)
8. Abnormal Tire Wear a. System variations
Almost always due to variations in the system
other than shock absorbers. Only a totally
inoperative shock can contribute to abnormal tire
wear.
9. Hard Ride
a. Overinflated tires
b. Incorrect springs or low standing height
c. Incorrect shocks
d. Heavy duty suspension
e. Bump stop missing
f. Shock binding
g. Weak shock
Check and adjust to vehicle specifications
See shop manual
-
front and rear suspension
Compare to parts book
Normal
Inspect and replace
Disconnect bottom end and stroke shock
Replace if binding
Bounce test (11, A), replace one (1)
shock is noticeably weaker than mate
GENERAL DESCRIPTION
Independent front suspension is used on all models (Fig. An integral steering knuckle which is a combination steer-
3-6). Each wheel is attached to the frame by means of a
ing knuckle, brake caliper support and steering arm is
steering knuckle, upper and lower control arm and ball used on B Series and F Series. The spindle is pressed into
joint assembly (Fig. 3-7). The front wheels are held in
the steering knuckle, however, the spindle and steering
proper relation to each other for steering by linkage which
knuckle are only serviced as a complete assembly.
attaches to the steering knuckle (see Section 9, STEER-
-
ING).
Fig. 3-6 Typical Independent Suspension (B Series Shown)