Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different car, the 2003 GMC Envoy XL and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Clean the flywheel in solvent.
Dry the flywheel with compressed air.
Inspect the automatic transmission flywheel for the following conditions:
- 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
  
  Fig 1: Identifying Engine Flywheel
  Courtesy of GENERAL MOTORS CORP.