GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 23327 Clutch Spring Compressor
    • J 38734 Intermediate Spring Compressor Adapter

    Object Number: 54646  Size: SH
  1. Remove the oil cooler pipe fitting seal (690) from the center support (640).
  2. Inspect the center support (640) for damage.

  3. Object Number: 28695  Size: SH
  4. Compress the intermediate clutch spring and the retainer assembly (635) using the J 23327 and theJ 38734 .
  5. Remove the intermediate clutch retainer ring (634).
  6. Remove the J 23327 and the J 38734 .
  7. Remove the intermediate clutch spring and retainer assembly (635).
  8. Inspect the intermediate clutch spring and retainer assembly (635) for collapsed coils and distortion.

  9. Object Number: 28696  Size: SH
  10. Remove the intermediate clutch piston (636). Apply shop air to the center support bolt hole to aid in piston removal.

  11. Object Number: 28698  Size: SH
  12. Remove the inner (637) and outer (638) seals from the intermediate clutch piston (636).
  13. Inspect the intermediate clutch piston for (636) cracks and damage.

  14. Object Number: 181740  Size: SH
  15. Remove the direct clutch housing oil seals (639) from the center support hub.
  16. Important: Do not disassemble the roller clutch race from the center support (640) . If a new center support (640) is required, the support will come with a roller clutch race already installed.

  17. Inspect the center support orifice cup plug (530) to be open approximately 0.51 mm (0.020 in).
  18. Inspect for damage to the oil seal ring pockets.