Pontiac FIREBIRD 1972 Service Manual page 999

7F-12 1972 PONTIAC SERVICE MANUAL
1 . Snap Ring
2. Booster Valve Sleeve
3. Booster Valve
4. Pressure Regulator Spring
Retainer
5. Pressure Regulator Spring
6. Pressure Regulator Spring Seat
7. Pressure Regulator Valve
Fig. 7F-16 Exploded View of Valve Body
14. Low and Drive Regulator Valve
Sleeve
15. Snap Ring
16. Transfer Plate-To-Valve Body
Gasket
17. Transfer Plate
18. Transfer Plate-To-Valve Body
Gasket
8. 21. Roll Pin
9. Suction Screen, Screws (2) and
22. Downshift Timing Valve Spring
Gasket
23. High Speed Downshift Timing
10. Low and Drive Valve
Valve
1 1 .
Drive Valve Inner Spring
24. Upper Valve Body
12. Drive Valve Outer Spring
25. Manual Control Valve
13. Low and Drive Regulator Valve
26. Vacuum Modulator Valve,
Spring and Plunger
27. Throttle Valve
28. Throttle Valve Spring
29. Retainer "E" Clip
30. T.V. Spring Regulator Guide
Washer
3 1 . Detent Valve Spring
32. Detent Valve
33. T.V. Spring Regulator
34. T.V. Spring Regulator Nut
35. Upper Valve Body Plate Gasket
36. Upper Valve Body Plate
37. Retaining Stud
38. Range Selector Detent Lever
39. Retainer "E" Clip
40. Upper Valve Body
Plate-To-Upper Valve Body
Bolts and Washers (6)
3. Vacuum modulator, which senses engine manifold The remainder of the hydraulic system is controlled by
vacuum as supplied by a vacuum line.
internal factors.