GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 36850 Assembly Lubricant
    • J 39068 Valve Body Guide Pins

For equivalent regional tools, refer to Special Tools.


    Object Number: 1659089  Size: SH
  1. Install J 39068 Valve Body Guide Pins onto the front and rear control valve bodies.

  2. Object Number: 1659093  Size: SH

    Note: Ensure the coating of transmission fluid is covering the area where the guide pins are installed.

  3. Using a light coat of transmission fluid on both sides of the spacer plate (307), install NEW gaskets (305, 309) onto the spacer plate.
  4. Install the NEW solenoid valve filter assemblies (308, 312) onto the control valve body spacer plate (307).

  5. Object Number: 1659096  Size: SH
  6. Install the control valve body spacer plate (307) and gaskets (305, 309) as an assembly onto the valve bodies.

  7. Object Number: 801960  Size: SH

    Note: Do not use an excessive amount of J 36850 lubricant to retain the checkballs.

  8. Use J 36850 lubricant to install the 12 checkballs (306) onto the channel plate (304). Refer to Ball Check Valve Locations.

  9. Object Number: 1659100  Size: SH
  10. Using a light coating of transmission fluid, install a NEW gasket (303) onto the channel plate (304).

  11. Object Number: 1659102  Size: SH

    Note: The manual valve should not turn while aligning channel plate.

  12. Install the control valve body channel plate (304) and gasket (303) as an assembly.

  13. Object Number: 1659104  Size: SH

    Caution: Use care not to damage the TCC check ball and spring. The spring must be centered in its hole to avoid hanging up on the spacer plate.

  14. Use J 36850 lubricant to install the control valve channel plate check ball spring (302) onto the channel plate.
  15. Install the control valve channel plate (301) onto the channel plate gasket.
  16. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1659105  Size: SH
  17. Install the control valve body bolts (300) into the valve body. Tighten the control valve body bolts (300) to 11 N·m (8 lb ft).
  18. Remove the J 39068 Valve Body Guide Pins from the valve body.

  19. Object Number: 801934  Size: SH
  20. Install the direct clutch accumulator piston fluid seal rings (314, 316) onto the direct clutch accumulator piston (315).
  21. Install the direct clutch accumulator piston (315) into the direct clutch accumulator housing (317).

  22. Object Number: 801933  Size: SH
  23. Install the overdrive clutch accumulator piston fluid seal rings (320, 322) onto the overdrive clutch accumulator piston (321).
  24. Install the overdrive accumulator piston (321) into the overdrive clutch accumulator housing (323).

  25. Object Number: 801932  Size: SH
  26. Install the intermediate clutch accumulator fluid seal rings (325, 327) onto the intermediate clutch accumulator piston (326).
  27. Install the intermediate clutch accumulator piston (326) into the intermediate clutch accumulator housing (328).

  28. Object Number: 801930  Size: SH
  29. Install the 2nd clutch accumulator piston fluid seal rings (330, 332) onto the 2nd clutch accumulator piston (331).
  30. Install the 2nd clutch accumulator piston (331) into the 2nd clutch accumulator housing (333).

  31. Object Number: 801965  Size: SH

    Note: Reassemble the accumulators in the position they were before disassembly. Refer to Control Valve Body Accumulator Assembly Disassemble.

  32. Install the direct clutch accumulator spring (313).
  33. Install the direct clutch accumulator housing (317) onto the valve body.
  34. Install the direct clutch accumulator housing bolts (318) into the valve body. Tighten the accumulator housing bolts (318) to 11 N·m (8 lb ft).

  35. Object Number: 801967  Size: SH
  36. Install the overdrive clutch accumulator spring (319).
  37. Install the overdrive clutch accumulator housing (323) onto the valve body.
  38. Install the overdrive clutch accumulator housing bolts (318) into the valve body. Tighten the accumulator housing bolts (318) to 11 N·m (8 lb ft).

  39. Object Number: 801969  Size: SH
  40. Install the intermediate clutch accumulator spring (324).
  41. Install the intermediate clutch accumulator housing (328) onto the valve body.
  42. Install the intermediate clutch accumulator housing bolts (318) into the valve body. Tighten the accumulator housing bolts (318) to 11 N·m (8 lb ft).

  43. Object Number: 801970  Size: SH

    Note: The 5L50-E has a unique stackup on the 2nd clutch accumulator housing.

  44. Install the 2nd clutch accumulator spring (329).
  45. Install the 2nd clutch accumulator housing (333) onto the valve body.
  46. Install the 2nd clutch accumulator housing bolts (318) into the valve body. Tighten the accumulator housing bolts (318) to 11 N·m (8 lb ft).