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78-52
1 9 7 7 PONTIAC SERVICE MANUAL
Fig. 7 8 - 9 3 Installing Countergear Needle Bearing Into
Case
Fig. 78-94 Driving Seal from Case
REPLACEMENT OF EXTENSION
HOUSING BEARING, BUSHING AND
SEAL
Removal and lnstallation of Countergear Needle
Bearing
1. Install Tool J 26225 beneath needle bearing and
expand tool until a firm grip is obtained.
2. Use Slide Hammer J 6125 and remove bearing (Fig.
7B-100).
3. See NOTE at beginning of this section. Then, using
Tool J 26222-1 with Driver Handle J 8092, drive needle
bearing until tool seats on extension housing (Fig. 7B-101).
Fig. 7B-95 Installing Seal into Case
Fig. 78-96 Removing Output Shaft Needle Bearing from
Center Support
Removal and lnstallation of Oil Seal
1. Pry oil seal from extension housing (Fig. 7B-102).
2. For installation, prelubricate between sealing lips and
coat new seal O.D. with Permatex or equivalent.
3. Using Tool J 21426 or J 5154, tap seal until it seats
on extension housing (Fig. 7B- 103).
Removal and lnstallation of Bushing (Fig. 7B-
104)
1. Remove oil seal.
2. Observe depth location of bushing in bore of extension
housing.
3. Using Tool J 5778 or J 21424-9 with Driver Handle
J 8092, drive bushing out from rear of extension housing.
4. Drive new bushing in from rear of extension housing
to same depth, using Tool J 5778 or J 21424-9 with Driver
Handle J 8092.
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