For 1990-2009 cars

1. Clean the flywheel in solvent.

Caution: Wear safety glasses in order to avoid eye damage.

2. Dry the flywheel with compressed air.
3. Inspect the manual transmission flywheel for the following conditions:

• | 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

4. 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