Engine Flywheel Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.

Fig 1: Flywheel (Manual Transmission)

Courtesy of GENERAL MOTORS COMPANY

NOTE:

In order to maintain the proper component balance, contact surface taper, and heat transfer, manual transmission flywheels (1) are NOT to be machined.

Clean the flywheel in solvent (1, 2).

WARNING:

Refer to Safety Glasses Warning .

Dry the flywheel with compressed air.

Fig 2: View Of Flywheel With Manual Transmission

Courtesy of GENERAL MOTORS COMPANY

Inspect the manual transmission flywheel (1) 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

Fig 3: Identifying Engine Flywheel & Automatic Transmission

Courtesy of GENERAL MOTORS COMPANY

Inspect the automatic transmission flywheel (1) for the following conditions:
- Damaged ring gear teeth
- Stress cracks around the flywheel-to-crankshaft bolt hole locations
- Weight saving holes