GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 38734 Intermediate Spring Compressor Adapter
    • J 45139 Compressor Plate

For equivalent regional tools, refer to Special Tools.


    Object Number: 801890  Size: SH
  1. Remove the reverse clutch backing plate retainer (420).
  2. Remove the backing plate (419).
  3. Remove the clutch plates (418, 417). Refer to Clutch Plate Selection Specifications.
  4. Remove the apply plate (416).
  5. Remove the reverse clutch spacer (415).

  6. Object Number: 801892  Size: SH
  7. Remove the direct clutch backing plate retainer ring (414).
  8. Remove the backing plate (413).
  9. Remove the clutch plates (412, 411). Refer to Clutch Plate Selection Specifications.
  10. Remove the apply plate (410).

  11. Object Number: 801893  Size: SH
  12. Use J 38734 compressor adapter and J 45139 compressor plate to compress the direct and reverse piston spring.
  13. Remove the direct and reverse clutch spring retainer ring (409).
  14. Remove J 38734 compressor adapter and J 45139 compressor plate .

  15. Object Number: 801894  Size: SH
  16. Remove the spring retainer (408).
  17. Remove the spring (407).

  18. Object Number: 801897  Size: SH

    Note: It may be necessary to use air pressure to remove the piston.

  19. Remove the direct clutch piston (406).

  20. Object Number: 801898  Size: SH
  21. Remove the reverse clutch piston (404).
  22. Remove the reverse clutch piston inner seal (402).