Engine Flywheel Cleaning and Inspection Automatic Transmission

1. Clean the engine flywheel in solvent.

Caution: Refer to Safety Glasses Caution in the Preface section.

2. Dry the engine flywheel with compressed air.

1. Inspect the engine flywheel for the following conditions:

•	Stress cracks around the engine flywheel-to-torque converter mounting bolt hole locations (1) and/or engine flywheel-to-crankshaft (2, 4)

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

•	Cracks at welded areas that retain the ring gear onto the engine flywheel (3)

•	Damaged or missing ring gear teeth (5)

2. Replace the engine flywheel as necessary.

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: Refer to Safety Glasses Caution in the Preface section.

2. Dry the engine flywheel with compressed air.

1. Inspect the manual transmission engine flywheel for the following conditions:

•	Missing and/or damaged alignment pins (1)

•	Damaged threaded holes (2)

•	Pitted surface (3)

•	Scoring or grooves (4)

•	Rust or other surface damaged (5)

•	Damaged ring gear teeth (6)

•	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 (7).

2. Replace the engine flywheel as necessary.