73. Valve Lifter Installation

1. Coat the valve lifters using prelube GM P/N 1052365 or the equivalent.
2. Install the valve lifters in their original locations.
3. Apply threadlock GM P/N 12345382 or the equivalent to the threads.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the valve lifter guides and guide bolts.
^ Tighten the valve lifter guide bolts to 10 Nm (89 inch lbs.).