Chevrolet Sonic Repair Manual: Engine Flywheel Replacement

Preliminary Procedure

Remove the clutch pressure and driven Plate . Refer to Clutch Pressure and Driven Plate Replacement.

• EN-652 Flywheel Holder
• EN-45059 Torque Angle Sensor Kit

For equivalent regional tools. Refer to Special Tools.

1

Flywheel Fastener (Qty: 6)

Procedure

Discard the flywheel fastener and use a NEW fastener for installation.

• First pass to 35 Y (26 lb ft)
• Second pass to additional 30°.
• Final pass to an additional 15°.

2

Flywheel

Procedure

Inspect the engine flywheel for the following:

1. Stress cracks around the engine flywheel.
2. Cracks at welded areas that retain the ring gear onto the engine flywheel.
3. Damaged or missing ring gear teeth.
4. Do not attempt to repair the welded areas that retain the ring gear to the engine flywheel plate. Install a new engine flywheel.