63. Engine Flywheel Installation

Engine Flywheel Installation

- Tool Required
- J 35271 Flywheel Holder





1. Align the flywheel-to-engine marks and install the flywheel (3) to the crankshaft (1).

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, or the equivalent, to the flywheel retaining bolt threads.

Notice: Refer to Fastener Notice in Service Precautions.





3. Install the flywheel retaining bolts to the crankshaft. Use the J 35271 to lock the flywheel.
- Cross tighten the 8 flywheel retaining bolts to 70 Nm (51 ft. lbs.).