GMC 1976 ZEO 6083 Maintenance Manual page 503

INTERMEDIATE CLUTCH RETAINER
INTERMEDIATE CLUTCH OUTER RACE
DIRECT CLUTCH HOUSING
AND RACE ASSEMBLY
INTERMEDIATE CLUTCH SPRAG ASSEMBLY
DIRECT CLUTCH CENTER SEAL
DIRECT CLUTCH OUTER SEAL
DIRECT CLUTCH INNER SEAL
DIRECT CLUTCH PISTON
DIRECT CLUTCH PISTON RELEASE
DIRECT
A-2190
The forward and direct clutch pistons look al-
most the same . Make sure the direct clutch pis-
ton is identified during disassembly so it will be
re-assembled into the direct clutch housing. The
service replacement direct clutch piston contains
a check ball . The production built direct clutch
piston will be aluminum or stamped steel .
Figure 79-Removing Direct Clutch Snap Ring
Figure 78-Direct Clutch and Piston
TRANSMISSION 7- 5 5
8. Remove inner and outer seals from clutch pis-
ton.
9. Remove center piston seal from direct clutch
housing.
INSPECTION
1 . Inspect sprag assembly for popped or loose
sprags .
2 . Inspect sprag bushing for wear or distortion .
3. Inspect inner and outer races for scratches or
wear.
4. Inspect clutch housing for cracks, wear, proper
openings of oil passages and wear on clutch plate
drive lugs .
5. Inspect composition faced and steel clutch
plates for sign of wear or burning.
6. Inspect backing plate for scratches or other
damage .
7. Inspect piston for cracks and/or other damage.