Flex Plate: Service and Repair

Engine Flywheel Replacement

Tools Required

J 36660-A Torque Angle Meter

Removal Procedure

Caution: Refer to Battery Disconnect Caution.

1. Disconnect the negative battery cable.
2. Remove the transaxle assembly.
3. If equipped with a manual transmission, remove the clutch and pressure plate.




4. Remove the eight flywheel retaining bolts.
5. Remove the flywheel from the crankshaft.
6. Clean any grease or dirt from the crankshaft flange outer surface using a suitable solvent.

Installation Procedure

1. Install the flywheel to the crankshaft.

Notice: Apply the proper amount of the sealant to the fastener when assembling this component. Excessive use of the sealant can prohibit the component from being assembled properly or allow the fastener to loosen. A component or fastener that is not assembled properly can loosen or fall off leading to extensive engine damage.




2. Apply GM P/N 12345493 (Canadian P/N 10953488) or the equivalent, to the flywheel retaining bolt threads (1).





Notice: Refer to Fastener Notice.

3. For vehicles equipped with an automatic transmission, install the flywheel retaining bolts (1-8) to the crankshaft.

Tighten the eight flywheel retaining bolts in sequence for automatic transmission to 83 N.m (61 lb ft).




4. For vehicles equipped with a manual transmission, install the flywheel retaining bolts to the crankshaft.

Tighten the eight flywheel retaining bolts in sequence for manual transmission to 49 N.m (36 lb ft). After the proper torque has been reached, use a J 36660-A and tighten the flywheel bolts an additional 90 degrees.

5. If equipped with a manual transmission, install the clutch and pressure plate.
6. Install the transaxle assembly.
7. Connect the negative battery cable.

Tighten the battery cable bolt to 15 N.m (11 lb ft).