Flywheel: Service and Repair

Engine Flywheel Replacement

Removal Procedure





1. Remove the transmission.
2. Remove the clutch assembly, if equipped.
3. Remove the flywheel bolts.
4. Remove the flywheel.
5. Inspect the flywheel.

Installation Procedure





Important: The flywheel does not use a locating pin for alignment and will not initially seat against the crankshaft flange, but will be pulled onto the crankshaft by the engine flywheel bolts. This procedure requires a 3-stage tightening process.

1. Install the flywheel.
2. Install the flywheel bolts.
3. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the threads of the flywheel bolts.





Notice: Refer to Fastener Notice in Service Precautions.

4. Install the engine flywheel bolts.
A. Tighten the engine flywheel bolts a first pass in sequence to 20 Nm (15 lb ft).
B. Tighten the engine flywheel bolts a second pass in sequence to 50 Nm (37 lb ft).
C. Tighten the engine flywheel bolts a final pass in sequence to 100 Nm (74 lb ft).
5. Install the clutch assembly, if removed.
6. Install the transmission.