Pontiac FIREBIRD 1972 Service Manual page 1220

STEERING 9-67
c. Remove and discard the plug "0" ring.
7. Grasp the lower shaft and pull the valve and shaft
assembly from the housing bore.
8. Separate worm and shaft and remove the lower shaft
cap "0" ring and discard.
9. If the worm or the lower thrust bearing and race
remained in the gear housing, remove them at this
time.
OVERHAULING INDIVIDUAL UNITS
ADJUSTER PLUG ASSEMBLY
DISASSEMBLY
1. If the oil seal ONLY is to be replaced, and not the
bearing, proceed as follows:
a. Install the adjuster plug loosely in the gear hous-
ing.
b. Remove the retaining ring with internal pliers J
4245.
c. With a screw driver, pry the dust seal and oil seal
from the bore of the adjuster plug being careful
not to score the needle bearing bore (Fig. 9-86).
2. If the thrust bearing ONLY is to be removed, proceed
as follows:
a. Pry the thrust bearing retainer at the two raised
areas with a small screw driver (Fig. 9-87).
b. Remove the spacer, thrust bearing washer, thrust
bearing and washer.
c. Discard the retainer.
3. If the needle bearing is to be replaced, proceed as
follows:
a. Remove the retaining ring using internal pliers J
4245.
b. Remove thrust bearing as outlined in Step 2
above.
c. Drive needle bearing, dust seal and oil seal from
adjuster plug using bearing remove J 8524-2 and
driver J 7079-2 as shown in Fig. 9-88.
d. Discard the oil seal.
4. Wash all parts in clean solvent and dry parts with
compressed air.
5. Inspect thrust bearing spacer for wear or cracks. Re-
place if damaged.
6. Inspect thrust bearing rollers and washers for wear,
putting or scoring. If any of these conditions exist,
replace the bearing and washers.
d. Discard the oil seal.
ASSEMBLY
1. RETAINING RING
7. THRUST WASHER
2. DUST SEAL (Large)
3. OIL SEAL
8. THRUST BEARING
4. NEEDLE BEARING
9. THRUST WASHER
5. ADJUSTER PLUG
(Small)
6. "0" RING
10. SPACER
11. RETAINER
1. If the needle bearing was removed, place new needle
bearing over tools J 8524-1 and J 7079-2, with the
B E A R I N G SCREW DRIVER
I
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Fig. 9-86 Exploded View of Adjuster Plug Fig. 9-87 Removing Retainer