Pontiac FIREBIRD 1972 Service Manual page 1245

10-8 1972 PONTIAC SERVICE MANUAL
use a vegetable oil soap solution as a lubricant, and mount
and dismount with the outboard side of the wheel up. Use
of a non-drying lubricant may cause tire to "walk" around
the rim and effect tire balance.
RALLY II AND HONEYCOMB WHEELS
In order to mount this type of wheel on a tire changing
machine it is necessary to first remove the center orna-
ment.
The Rally I1 ornament is held in place by six tabs (three
of which have teeth that snap against the wheel) and the
honeycomb ornament by three tabs. Remove the orna-
ment from the front after prying loose these three tabs
from inside the wheel (Fig. 10-9).
WHEEL STUD
-
REMOVE AND REPLACE
CAUTION: When replacing wheel studs, the
car should be driven 10 miles with the new stud
and the nut should then be re-torqued to take
up initial stretch in new stud.
'
suitable tool directly under and surrounding the stud
to be removed and press out the stud.
CAUTION: If hub and drum or rotor are not
supported underneath, pressure from the press
may distort the drum or rotor or push the hub
assembly a way from the drum.
2. Clean out the existing hole in front drums by drilling
through the hub and drum assembly. (A and
X
Series
only). Use a 9/16" (.5625) drill.
3. Drums
-
Press in replacement stud. Rotor
-
Insert
new stud and pull through with wheel nut (flat side
of nut against rotor).
REAR:
1. Remove stud using J 5504 as shown in Fig. 10-10.
2. Insert new stud and pull through with wheel nut (flat
side of nut against axle).
CAUTION: Stud must be pulled through with
drum removed to prevent distortion.
REMOVE TIRE FROM WHEEL
FRONT:
1. Remove valve cap and valve core, and let out all air.
1. Support the hub and drum or rotor assembly with
approximately 1
" diameter by 5" long pipe or other
2. With valve hole side of tire up, break beads away
from rim. Use only conventional bead-breaker type
machine.
Fig.
10-9
Removing Ornament From Rally II Wheel
I
Fig.
10-10 Removing Rear Stud