Sierra 1500 2WD V8-6.0L VIN U (2004)
1. Install the spacer (if applicable) onto the rear of the crankshaft.
2. Install the manual transmission engine flywheel to the crankshaft, if applicable.
3. Install the automatic transmission engine flywheel to the crankshaft, if applicable.
Important: Longer flywheel bolts must be used on applications using a flywheel spacer.
4. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent to the threads of the flywheel bolts.
