Pontiac FIREBIRD 1972 Service Manual page 278

F R O N T SUSPENSION 3-27
Fig. 3-23 Removing Ball Joint Stud with J-23742
1. Raise car and support at front lower control arm.
spindle. Then remove hub and disc assembly from
spindle.
I
WARNING:
THIS KEEPS SPRING COM-
PRESSED.
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Remove hub cap or wheel disc from wheel.
Drum Brakes: Remove dust cap from hub.
Disc Brakes: Remove wheel and tire assembly before
removing dust cap from hub.
Drum Brakes: Remove cotter pin, spindle nut and
washer from spindle, then remove wheel with hub
and drum assembly from spindle with a gentle rock-
ing motion.
CAUTION: When hub and wheel assembly is
partially loose on spindle, remove outer wheel
bearing. DO NOT DROP BEARING.
NOTE: In some cases it may be necessary to
back o f f brake adjustment to remove hub and
wheel assembly.
Disc Brakes: Remove brake caliper assembly before
removing cotter pin, spindle nut and washer from
CAUTION: When hub and disc assem bly ispar-
tially loose on spindle, remove outer whed
bearing. DO NOT DROP BEARING.
5.
Drum Brakes: Remove backing plate and hrake as-
sembly from steering knuckle and move steering arm
out of way.
Disc Brakes: Remove splash shield and mounting
bracket from steering knuckle and move steering arm
out of way.
CAUTION: Brake hose is still connected to
backing plate and brake assembly or brake
caliper assembly; therefore, either one must be
'
moved out of way and supported so brake hose
is not damaged.
6. Remove upper and lower ball joint studs from steer-
ing knuckle by prying on control arm using a suitable
pry bar and tapping sharply on knuckle in area of ball
stud.