Operation CHARM: Car repair manuals for everyone.

Flex Plate: Service and Repair

Engine Flywheel Replacement

Tools Required
^ J 36660-A Torque Angle Meter

Removal Procedure





1. Remove the transmission.

Important: Note the position and the direction of the engine flywheel before removal.

2. Remove the flywheel bolts.
3. Remove the flywheel.
4. Clean and inspect the flywheel.

Installation Procedure





1. Add threadlock GM P/N 12345493 (Canadian P/N 10953488) to the new flywheel bolts.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the flywheel and secure the flywheel with the new bolts.
2.1. Tighten the bolts in sequence to 25 Nm (18 ft. lbs.).
2.2. Use the J 36660-A in order to tighten the bolts an additional 50 degrees.
3. Install the transmission.