GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23075 Third Clutch Piston Spring Compressor
    • J 23075-12 Adapter
    • J 8059 Snap Ring Pliers

    Object Number: 180759  Size: SH
  1. Remove the third clutch plates (326,327).
  2. Inspect the third clutch composite plates for damaged tangs or excessive wear.
  3. Inspect the steel clutch plates for damaged lugs or heat damage.

  4. Object Number: 180760  Size: SH
  5. Compress the third clutch piston springs using J 23075 and J 23075-12 . Excessive stress on the spring seat (639) will cause damage to the spring seat.
  6. Remove the third clutch piston spring retainer ring (325) using J 8059 .
  7. Remove the tools.

  8. Object Number: 180761  Size: SH

    Important:: Do not let the spring seat catch in the ring groove.

  9. Remove the third clutch piston spring seat (324) and return springs (229).
  10. Remove the third clutch piston (322).
  11. Inspect the third clutch piston checkball by shaking the third clutch piston and listening for the checkball to rattle. Replace the piston if the checkball is missing or falls out.
  12. Inspect the third clutch drum for damage or worn clutch splines.
  13. Remove the third clutch piston outer seal (320).
  14. Remove the third clutch piston inner seal (321).
  15. Inspect the third clutch piston seals for:
  16. • nicks
    • cuts
    • damage