Flex Plate: Service and Repair

Engine Flywheel Replacement

^ Tools Required
- J 36660-A Torque/Angle Meter
- J 42098 Crank Hub TORX Socket

Removal Procedure





1. Remove the transmission.
2. Counterhold the crankshaft with J 42098 and remove the flywheel bolts. Discard the flywheel bolts.
3. Remove the flywheel from the crankshaft.

Installation Procedure





1. Clean the rear crankshaft flange.
2. Install the flywheel to the crankshaft.
3. Coat the new flywheel bolts with thread retaining compound, GM P/N 12345493 or equivalent.

Notice: Refer to Fastener Notice in Service Precautions.

4. Counterhold the crankshaft with J 42098 and install the new flywheel bolts.
Tighten the flywheel bolts to 65 Nm (48 ft. lbs.).
5. Use the J 36660-A to rotate the flywheel bolts in the following sequence:
5.1. The first pass rotate the flywheel bolts 30 degrees.
5.2. The second and the final pass rotate the flywheel bolts an additional 15 degrees.
6. Install the transmission.