Flywheel: Service and Repair

Removal Procedure
1. Remove the transaxle from the engine. Refer to Transmission and Drivetrain.
2. For manual transaxle equipped vehicles, remove the clutch from the flywheel. Refer to Clutch Assembly Replacement.
3. Inspect the ring gear for the following conditions:
^ Wear
^ Damage
^ Cracks
4. In a vehicle that is equipped with a manual transaxle, replace the flywheel, if the surface that contacts the clutch disc exhibits the following conditions:
^ Damage
^ Excessive wear
^ Cracks
5. Mark the flywheel-to-engine position.
6. Remove the flywheel retaining bolts and the flywheel from the crankshaft.
7. Remove the clutch pilot bearing from the crankshaft.
8. Use a suitable solvent in order to clean the grease and the dirt from the flywheel outer surfaces.

Installation Procedure
1. In a vehicle with a manual transaxle, install the clutch pilot bearing into the crankshaft.
2. Install the flywheel to the crankshaft, aligning the flywheel-to-engine marks

Notice: Do not apply an excessive amount of sealant to the flywheel retaining bolt threads. Applying too much sealant will result in the sealant overflowing the bolt seat. This could cause the bolt to break loose during vehicle operation.

3. Apply GM P/N 1234593 or equivalent to the flywheel retaining bolt threads.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the flywheel retaining bolts to the flywheel.
^ Automatic Transmission: Tighten the flywheel retaining bolts to 95 Nm (69 ft. lbs.).
^ Manual Transmission: Tighten the flywheel retaining bolts to 78 Nm (57 ft. lbs.).
5. In a vehicle with a manual transaxle, install the clutch to the flywheel. Refer to Clutch Assembly Replacement in Transmission and Drivetrain.
6. Install the transaxle to the engine. In a Transaxle Replacement, refer to Transmission and Drivetrain.