GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 38731-1 Fourth Clutch Piston and Housing Seal Protector
    • J 38731-2 Fourth Clutch Piston and Housing Seal Protector
    • J 38731-3 Fourth Clutch Piston and Housing Seal Spacer
    • J 38882 Fourth Clutch Spring and Retainer Assembly Adapter
    • J 23327 Clutch Spring Compressor

    Object Number: 31099  Size: SH
  1. Install the fourth clutch piston inner seal (527) onto the fourth clutch piston (528).

  2. Object Number: 31097  Size: SH
  3. Install the fourth clutch piston outer seal (531) into the fourth clutch housing (529). The seal lip should face the bottom of the piston when the piston is installed.

  4. Object Number: 31101  Size: SH
  5. Place the J 38731-1 onto the fourth clutch housing (529) through the small end.
  6. Place the J 38731-2 onto the large end of the fourth clutch piston (528).

  7. Object Number: 31102  Size: SH
  8. Place the J 38731-2 and the fourth clutch piston (528) onto the J 38731-3 .

  9. Object Number: 31104  Size: SH
  10. Gently push down on the fourth clutch housing (529) until the fourth clutch piston (528) is through the fourth clutch housing (529), exposing the retainer ring groove.
  11. Remove all tools.

  12. Object Number: 31093  Size: SH
  13. Place the fourth clutch spring (532) and the fourth clutch spring retainer ring (533) onto the fourth clutch piston (528).
  14. Compress the fourth clutch spring (532) using the J 38882 , the J 23327 and the J 38731-3 .
  15. Install the fourth clutch spring retainer ring (533).
  16. Remove the tools.

  17. Object Number: 54664  Size: SH
  18. Install the fourth clutch plates (525, 526) into the fourth clutch housing (529):
  19. • Alternate the clutch plates, starting with the steel clutch plate (526) (4 steel and 4 composite)
    • Locate the steel plate index notch opposite the fourth clutch bolt hole
  20. Install the fourth clutch backing plate (524) with the flat side down and the index notch in the same location as the steel clutch plates (526).
  21. Install the fourth clutch backing plate retainer ring (523).