Detent Roller And Spring Assembly; Removal Of Oil Pump And Internal Case Components; Removing Transfer Support Plate And Intermediate Servo Return Spring; Removing Valve Body Transfer Plate And Gasket - Pontiac TRANS AM 1977 Service Manual

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TURBO HYDRA-MATIC 2 5 0 TRANSMISSION
7A2-19
Fig. 7A2-2 1 Removing Transfer Support Plate and
Intermediate Servo Return Spring
Fig. 7A2- 19 Detent Roller and Spring Assembly
Fig. 7A2-22 Removing Valve Body Transfer Plate and
Gasket
2. Install two (2) threaded slide hammers J 7004 int
threaded holes in pump body and remove pump assembl
from case (Fig. 71\2-34). Discard pump gasket.
Fig. 7A2-20 Manual Control Valve Link, Valve Body,
Detent Actuator Pin and Control Wire
15. Remove parking pawl shaft retaining plug, park pawl
- -
-
-
shaft and parking pawl ;f replacement is required (Fig. 7 ~ 2 -
32).
NOTE: The parking pawl shaft retaining clip may be
removed by using a bolt extractor.
REMOVAL OF OIL P U M P A N D
INTERNAL CASE COMPONENTS
1. Remove eight (8) pump attaching bolts with washer
type seals (Fig. 71\2-33).
3. Loosen nut and intermediate band anchor bolt (Fig.
71\2-35).
4. Remove intermediate band (Fig. 7A2-36).
5. Remove intermediate servo (Fig. 7A2-37) and
disassembly as shown in Fig. 7A2-38.
6. Remove direct and forward clutch assemblies from
case (Fig. 71\2-39). Refer to proper section for disassembly
and reassembly of the direct and forward clutches.
7. Remove input ring gear front thrust washer (Fig. 7A2-
4 0 ) .
NOTE: Washer has 3 tangs.
8. Remove output carrier to output shaft snap ring (Fig.
7A2-41).

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Firebird 1977

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