GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 23327 Clutch Spring Compressor
    • J 44764 Clutch Spring Compressor

For equivalent regional tools, refer to Special Tools.


    Object Number: 801859  Size: SH
  1. Remove the overdrive clutch retainer (480) from the overdrive clutch housing (493).
  2. Remove the overdrive clutch backing plate  (481) from the overdrive clutch housing (493).
  3. Remove the overdrive clutch plates (482, 483). Refer to Clutch Plate Selection Specifications.
  4. Remove the overdirve clutch spacer (484) from the overdrive clutch housing (493).

  5. Object Number: 801860  Size: SH
  6. Use J 44764 spring compressor and J 23327 spring compressor to comress the overdrive clutch piston spring (486).
  7. Remove the overdrive clutch piston spring retainer ring (485) from the overdrive clutch housing (493).
  8. Remove J 44764 spring compressor and J 23327 spring compressor from the overdrive clutch housing (493).
  9. Remove the overdrive clutch spring (486) from the overdrive clutch housing (493).

  10. Object Number: 801861  Size: SH

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

  11. Remove the overdrive clutch piston (487) from the overdrive clutch housing (493).

  12. Object Number: 801862  Size: SH
  13. Remove the intermediate clutch backing plate retainer ring (488) from the overdrive clutch housing (493).
  14. Remove the intermediate clutch backing plate (489) from the overdrive clutch housing (493).
  15. Remove the intermediate clutch plates (490, 491) from the overdrive clutch housing (493). Refer to Clutch Plate Selection Specifications.
  16. Remove the intermediate clutch apply plate (492) from the overdrive clutch housing (493).

  17. Object Number: 801863  Size: SH
  18. Use J 44764 spring compressor and J 23327 spring compressor to compress the intermediate clutch housing (496).
  19. Remove the intermediate clutch housing retainer ring (497) from the overdrive clutch housing (493).

  20. Object Number: 801864  Size: SH
  21. Remove J 44764 spring compressor and J 23327 spring compressor from the overdrive clutch housing (493).
  22. Remove the intermediate clutch housing (496), and the intermediate clutch spring (494) from the overdrive clutch housing (493).

  23. Object Number: 801865  Size: SH
  24. Remove the intermediate clutch piston (495) from the overdrive clutch housing (496).