For 1990-2009 cars

## Engine Flywheel Cleaning and Inspection Automatic Transmission

1. Clean the flex plate in solvent.

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

2. Dry the flex plate with compressed air.
3. Inspect the flex plate for the following conditions:

• | Stress cracks around the engine flex plate-to-torque converter mounting bolt hole locations (1) and/or engine flex plate-to-crankshaft (2, 3)

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

• | Cracks at welded areas that retain the ring gear onto the flex plate (4)

• | Damaged or missing ring gear teeth (5)

## Engine Flywheel Cleaning and Inspection Manual Transmission

Important: In order to maintain the proper component balance, contact surface taper, and heat transfer, manual transmission flywheels are NOT to be machined.

1. Clean the engine flywheel in solvent.

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

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

• | Pitted surface (1)

• | Scoring or grooves (2)

• | Rust or other surface damage (3)

• | Damaged ring gear teeth (4)

• | Loose or improperly positioned ring gear

• | The ring gear has an interference fit onto the engine flywheel and should be positioned completely against the flange of the engine flywheel.