Installing Direct Clutch Drum Bushing; Transmission Internal Components; Installing Low And Reverse Clutch Support Assembly; Pump Cover To Direct Clutch Selective Thrust Washer - Pontiac TRANS AM 1977 Service Manual

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TURBO HYDRA-MATIC 250 TRANSMISSION 7A2-45
Fig. 7A2-104 Installing Direct Clutch Drum Bushing
TRANSMISSION INTERNAL
COMPONENTS
1. Install low and reverse clutch piston assembly with
notch in piston installed adjacent to parking pawl.
2. Install seventeen (17) piston return (coil) springs.
3. Install spring retainer and retaining ring. Using Tool
3 23327, compress return seat so spring retainer retaining ring
may be installed. Install output ring gear rear thrust bearing
in case.
4. Install output ring gear on output shaft.
5. Install reaction carrier to output ring gear front thrust
washer (3 tangs) into output ring gear support.
6. Install output shaft assembly into case.
7. Install reaction carrier assembly into output ring gear
and shaft assembly.
8. Lubricate and install low and reverse clutch steel
reaction plates and face plates, starting with a steel plate and
alternating with face plates. Install low and reverse clutch
support retainer spring (anti-clunk) spring.
NOTE: Notch in steel separator plates should be placed
toward bottom of case.
9. Install low and reverse clutch support assembly with
position of notch with low and reverse clutch support retainer
(anti-clunk) spring as shown on Fig. 7A2-105.
IMPORTANT: Make certain the splines on inner race
of the roller clutch align with splines on reaction carrier.
10. Install low and reverse roller clutch inner race to sun
gear shell thrust washer.
Fig. 7A2-105 Installing Low and Reverse Clutch Support
Assembly
SELECTIVE
THRUST WASHER
, , , ! I
Fig. 7A2-106 Pump Cover to Direct Clutch Selective
Thrust Washer
11. Install low and reverse clutch support to case snap
ring with anti-clunk spring between gap.
12. Install rear thrust washer and sun gear drive shell
assembly.
13. Install output carrier assembly.
14. Install input ring gear rear thrust washer.
15. Install input ring gear.
16. Install input ring gear to output shaft snap ring.
CAUTI 0 N: Do not over-stress snap ring.
17. Install input gear front thrust washer.
18. Install direct clutch assembly and special thrust
washer to forward clutch assembly.
19. Install direct and forward clutch assemblies into
case.
CAUTION: Make certain forward clutch face
plates are positioned over input ring gear and the
tangs on direct clutch housing are installed into
slots on the sun gear drive shaft.
20. Install intermediate servo.