GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23327-1 Forward Clutch Spring Compressor (Bridge)
    • J 23456 Booster and Clutch Pack Compressor
    • J 25018-A Clutch Spring Compressor Adapter

    Object Number: 5755  Size: SH
  1. Remove the reverse input clutch housing and drum assembly (605) from the input clutch assembly (621).
  2. Remove the stator shaft/selective washer bearing assembly (615).
  3. Remove the selective thrust washer (616).

  4. Object Number: 5756  Size: SH
  5. Remove the 3rd and 4th clutch backing plate retainer ring (656).
  6. Notice: The correct number of fiber plates must be used to avoid damage to the transmission. An incorrect stack up height can cause either excessive clutch slippage or insufficient release, resulting in burned clutch plates.

    Important: The 3rd and 4th clutch plate stack is model specific. Clutch plate stack up could be either 6 or 7 plates.

  7. Remove all 3rd and 4th clutch plates (653-655).
  8. Remove the 3-4 clutch boost spring assemblies (600).

  9. Object Number: 213049  Size: SH
  10. Remove the forward clutch backing plate retainer ring (651).
  11. Remove the forward clutch selective backing plate (650).
  12. Remove the forward clutch sprag assembly.

  13. Object Number: 5758  Size: SH
  14. Remove all forward clutch plates (646, 648, 649A, 649B).
  15. Remove the input sun gear bearing assembly (637).
  16. Remove the input housing to output shaft seal (636).
  17. Remove all overrun clutch plates (645A, 645B).

  18. Object Number: 5759  Size: SH
  19. Install the J 23327-1 and the J 25018-A .
  20. Compress the overrun clutch spring, using the J 23456 .
  21. Remove the overrun clutch spring retainer snap ring (635).
  22. Remove the J 23327-1 and the J 25018-A .

  23. Object Number: 55909  Size: SH
  24. Remove the overrun clutch spring assembly (634).
  25. Remove the overrun clutch piston (632).
  26. Remove the forward clutch piston (630).
  27. Remove the forward clutch housing (628).
  28. Remove the 3rd and 4th clutch spring assembly (626).
  29. Remove the 3rd and 4th clutch apply ring (625).
  30. Remove the 3rd and 4th clutch piston (623).

Removal Procedure

Tools Required

    • J 23327-1 Forward Clutch Spring Compressor (Bridge)
    • J 23456 Booster and Clutch Pack Compressor
    • J 25018-A Clutch Spring Compressor Adapter

    Object Number: 1552928  Size: SH
  1. Remove the reverse input clutch housing and drum assembly (605) from the input clutch assembly (621).
  2. Remove the stator shaft/selective washer bearing assembly (615).
  3. Remove the selective thrust washer (616).

  4. Object Number: 5756  Size: SH
  5. Remove the 3rd and 4th clutch backing plate retainer ring (656).
  6. Notice: The correct number of fiber plates must be used to avoid damage to the transmission. An incorrect stack up height can cause either excessive clutch slippage or insufficient release, resulting in burned clutch plates.

    Important: The 3rd and 4th clutch plate stack is model specific. Clutch plate stack up could be either 6 or 7 plates.

  7. Remove all 3rd and 4th clutch plates (653-655).
  8. Remove the 3-4 clutch boost spring assemblies (600).

  9. Object Number: 213049  Size: SH
  10. Remove the forward clutch backing plate retainer ring (651).
  11. Remove the forward clutch selective backing plate (650).
  12. Remove the forward clutch sprag assembly.

  13. Object Number: 5758  Size: SH
  14. Remove all forward clutch plates (646, 648, 649A, 649B).
  15. Remove the input sun gear bearing assembly (637).
  16. Remove the input housing to output shaft seal (636).
  17. Remove all overrun clutch plates (645A, 645B).

  18. Object Number: 5759  Size: SH
  19. Install the J 23327-1 and the J 25018-A .
  20. Compress the overrun clutch spring, using the J 23456 .
  21. Remove the overrun clutch spring retainer snap ring (635).
  22. Remove the J 23327-1 and the J 25018-A .

  23. Object Number: 55909  Size: SH
  24. Remove the overrun clutch spring assembly (634).
  25. Remove the overrun clutch piston (632).
  26. Remove the forward clutch piston (630).
  27. Remove the forward clutch housing (628).
  28. Remove the 3rd and 4th clutch spring assembly (626).
  29. Remove the 3rd and 4th clutch apply ring (625).
  30. Remove the 3rd and 4th clutch piston (623).