GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 23327 Clutch Spring Compressor
    • J 41232 Return Spring Compressor

For equivalent regional tools, refer to Special Tools.


    Object Number: 55134  Size: SH
  1. Remove the two seal rings (403) from the driven sprocket support (401).
  2. Discard the two seal rings (403).

  3. Object Number: 55129  Size: SH
  4. Compress the 2nd clutch spring and retainer assembly (405). Use the J 41232 spring compressor and J 23327 spring compressor or equivalent.
  5. Remove the 2nd clutch spring retainer snap ring (406).
  6. Remove the J 41232 spring compressor and J 23327 spring compressor .

  7. Object Number: 55132  Size: SH
  8. Remove the 2nd clutch spring and retainer assembly (405).
  9. Remove the 2nd clutch piston and seal assembly (404). If not damaged, the piston and seal assembly is reusable.

  10. Object Number: 25518  Size: SH
  11. Inspect the piston and seal assembly (404) for damaged seals.
  12. If the seal is cut or damaged replace the seal with a new piston and seal assembly.

  13. Object Number: 55126  Size: SH
  14. Inspect the bushing and bearing for damage or excessive wear.
  15. Inspect the driven sprocket support (401) for plugged feed holes, damaged seal grooves, stripped bolt holes, and a damaged machined surface.

  16. Object Number: 57144  Size: SH
  17. Inspect the reverse intermediate clutch housing valve assembly (407) for free operation.
  18. Note: The valve assembly must be in its seated position before you perform the leak test.

  19. Using Automatic Transmission fluid, inspect the reverse intermediate clutch housing valve assembly (407) for leaks.

  20. Object Number: 57146  Size: SH

    Note: Remove the reverse clutch housing valve assembly (407) only if inspection or the leak test has indicated a problem.

  21. Using a 6.25 mm (¼ in) drift and a mallet, remove the valve assembly (407) from the driven sprocket support (401).

  22. Object Number: 57147  Size: SH
  23. Using a 6.25 mm (¼ in) drift and a mallet, install the valve assembly (407) in the driven sprocket support (401).

  24. Object Number: 25518  Size: SH
  25. Inspect the spring assembly (405) for dislocated or damaged springs.
  26. Clean and dry each of the components.