Pontiac FIREBIRD 1972 Service Manual page 947

7E-58 1972 PONTIAC SERVICE MANUAL
RETAINING "E" RlNG
OIL SEAL RlNG
' I
6. From next bore down, remove roll pin, 2-3 primary
spring, modulator valve bushing, 2-3 modulator
valve, 2-3 secondary spring and 2-3 shift valve.
7. From next bore down, remove roll pin, bore plug,
spring, spacer and 3-2 valve.
8. At other end of assembly, top bore, remove roll pin
and bore plug, detent valve, detent regulator valve,
spring and spacer.
9. Remove the grooved retaining pin from the next bore
down, the bore plug, 1-2 accumulator secondary
spring, 1-2 accumulator valve, 1-2 accumulator bush-
ing, 1-2 accumulator primary valve and the 1-2 ac-
cumulator primary spring (bushing, primary valve
and primary spring are not used in PG or PR mod-
els).
Fig. 7E-100 Exploded View of Front Accumulator Piston
INSPECT
NOTE: See Fia. 7E-100, Do
not remove the
-
tefin oil seal ring from the front accumulator
4. Remove front accumulator piston and spring (Fig.
piston unless the oil seal ring requires replace-
7E- 100).
ment, For service, the replacement oil seal ring
will be cast iron.
5. From the top right hand bore, remove roll pin, 1-2
modulator bushing, 1-2 regulator valve, 1-2 regulator CAUTION: The front accumulator piston was
spring, 1-2 detent valve and 1-2 shift valve (Fig. 7E- new for 1971 and it is not interchangeable with
101).
previous model pistons.
1. Manual Valve
2. Roll Pin
3. Bore Plug
4. Detent Valve
5.
Detent Regulator Valve
6. Spacer
7. Detent Regulator Valve Spring
8. 1-2 Shift Valve
9. 1-2 Detent Valve
10. 1-2 Regulator Spring
1 1. 1-2 Regulator Valve
12. 1-2 Modulator Bushing
13. Roll Pin
Fig. 7E-101 Exploded View of Control Valve Assembly
14. Grooved Retaining Pin 2 1. 2-3 Shift Valve
15. Bore Plug
22. 2-3 Secondary Spring
16. 1-2 Accumulator Secondary Spring
23. 2-3 Modulator Valve
(Not Used i n PQ Model) 24. 2-3 Primarv S ~ r i n a
17. 1-2 Accumulator Valve
17a. 1-2 Accumulator Valve
18. 1-2 Accumulator Bushing (Not
Used in PG and PR Models)
19. 1-2 Accumulator Primary Valve
( i Jot Used in PG and PR Models)
20. 1-2 Accumulator Primary Spring
(Not Used i n PG and PR Models)
.
~.
a
25. Modulator Valve Bushing
26. Roll Pin
27. 3-2 Valve
28. Spacer
29. 3-2 Valve Spring
30. Bore Plug
3 1. Roll Pin