GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1997 🢒 Sunfire 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 3T40 🢒 Control Valve Body Assemble

    Object Number: 20759 Size: SH
  1. Install the 3-2 regulating control valve (356).
  2. Install the 3-2 regulating control valve spring (355).
  3. Install the valve retaining pin (307).

    4. Object Number: 20758 Size: SH
  4. Install the pressure regulator valve (365).
  5. Install the reverse regulator spring (364), and the throttle valve and reverse boost valve spring (360).
  6. Install the reverse boost valve (363).

    7. Object Number: 20757 Size: SH
  7. Install the throttle valve (369).
  8. Install the throttle valve retaining pin (306).
  9. Install the throttle valve spring (368) and plunger (367).
  10. Install the throttle valve bushing (366).
  11. Install the bushing retaining pin (304).

    12. Object Number: 20756 Size: SH
  12. Install the line boost valve (303).
  13. Install the line boost valve bore plug (302).
  14. Install the bore plug retaining pin (305).
  15. Install the pressure regulator bore plug (372).
  16. Install the bore plug retainer (373).

    17. Object Number: 20755 Size: SH
  17. Install the shift throttle valve (308).
  18. Install the shift throttle valve spring (309).
  19. Install the bore plug (310\382).
  20. Install the retaining pin (304).

    21. Object Number: 20754 Size: SH
  21. Install the pressure relief ball valve (311).
  22. Install the ball valve spring (312).
  23. Install the spring retaining pin (307).

    24. Object Number: 20753 Size: SH
  24. Install the 1-2 accumulator valve spring (313).
  25. Install the 1-2 accumulator bushing (314).
  26. Install the 1-2 accumulator valve (315) and bore plug (310).
  27. Install the 1-2 accumulator valve retainer (304).

    28. Object Number: 20752 Size: SH
  28. Install the 2-3 shift valve (316) into the valve body.
  29. Assemble the 2-3 throttle valve spring (318) and the throttle valve (317) into the 2-3 throttle valve sleeve (319).
  30. Install the 2-3 throttle valve retainer (377) into the sleeve (319).
  31. Install the 2-3 throttle valve and sleeve assembly (319) into the valve body.
  32. Install the 2-3 throttle valve sleeve retaining pin (304).

    33. Object Number: 20751 Size: SH
  33. Install the 1-2 shift valve (320) into the valve body.
  34. Assemble the 1-2 throttle valve spring (322) and the 1-2 throttle valve (321) into the 1-2 throttle valve sleeve (323).
  35. Install the 1-2 throttle valve retainer (377) into the throttle valve sleeve (323).
  36. Install the 1-2 throttle valve and sleeve assembly (323) into the valve body.
  37. Install the sleeve retainer (304).

    38. Object Number: 20750 Size: SH
  38. Install the low blow off ball valve (324).
  39. Install the low blow off valve seat and spring (325).
  40. Install the low blow off valve plug (326).