Operation CHARM: Car repair manuals for everyone.

92. Engine Flywheel Installation



Engine Flywheel Installation (6.0L)






Important: The flywheel and flex plate do 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 bolts. This procedure requires a 3-stage tightening process.


1. Install the automatic transmission flex plate to the crankshaft, if applicable.




2. Install the manual transmission flywheel to the crankshaft, if applicable.
3. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the threads of the bolts.





Notice: Refer to Fastener Notice .

4. Install the engine flywheel bolts (1-6).

1. Tighten the engine flywheel bolts (1-6) a first pass in sequence to 20 N.m (15 lb ft).
2. Tighten the engine flywheel bolts (1-6) a second pass in sequence to 50 N.m (37 lb ft).
3. Tighten the engine flywheel bolts (1-6) a final pass in sequence to 100 N.m (74 lb ft).