GM Service Manual Online
For 1990-2009 cars only

    Object Number: 236523  Size: SH
  1. Clean the flywheel in solvent.
  2. Caution: Wear safety glasses in order to avoid eye damage.

  3. Dry the flywheel with compressed air.
  4. Inspect the manual transmission flywheel for the following:
  5. • Damaged ring gear teeth
    • Loose or improperly positioned ring gear
    • The ring gear has an interference fit onto the flywheel and should be positioned completely against the flange of the flywheel.
    • A scored, grooved or damaged friction surface

    Object Number: 236535  Size: SH
  6. Inspect the automatic transmission flywheel for the following:
  7. • Damaged ring gear teeth
    • Stress cracks around the flywheel-to-crankshaft bolt hole locations

       Important: Do not attempt to repair the welded areas that retain the ring gear to the flywheel plate. Install a new flywheel.

    • Welded areas that retain the ring gear onto the flywheel for cracking