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7A4-52
1977 PONTIAC SERVICE MANUAL
Fig. 7A4-1 11 Installing Clutch Retainer
ASSEMBLY
2685
- - - -
Fig. 7A4-I 12 Air Checking Direct Clutch
a. Using Remover J 2 1465-6 with Handle J 8092, remove
bushing.
b. From front side of center support, align the elongated
slot in bushing with the drilled hole in the oil delivery sleeve
closest to piston.
c. Using Tool J 21465-6 and Handle J 8092, drive
bushing squarely into the bore until bushing is flush to .01OW
below top of oil delivery sleeve.
3. Check oil seal rings and ring grooves in the center
support tower for damage.
4. Air check oil passages to be sure they are not
interconnected.
5. Inspect piston sealing surfaces for scratches.
6. Inspect piston seal grooves for nicks or other damage.
7. Inspect piston for cracks or porosity.
8. Inspect release springs for distortion.
Assemble Center Support
1. Install new inner and outer seals on piston with lip
of seal facing away from spring pocket (Figs. 7A4-117 and
118).
2. Install Protector J 21363 on center support hub and
install piston, indexing spring pockets of piston into cored
areas of center support (Fig. 7A4-119).
3. Install spring guide into center support and install
three (3) release springs into holes of spring guide. Space
equally during assembly (Fig. 7A4-120).
4. Place spring retainer and snap ring over springs.
5. Compress springs and install snap ring (Fig. 7A4-114).
6. If removed, install four (4) teflon oil seal rings (Fig.
7A4- 1 13).
NOTE: When installing teflon oil seal rings, make sure
slit ends are assembled in same relation as cut (Fig. 7A4-
86). Also, make sure oil seal rings are seated in ring
grooves to prevent damage to rings during re-assembly
of mating parts over rings. Retain with petrolatum.
7. Air check operation of intermediate clutch piston
(Fig. 7A4-12 1).
9. Inspect support-to-case spacer for burrs or raised
edges. If present, remove with a stone or fine sand paper.
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