81. Valve Lifter Installation
1. Dip the valve lifters in prelube GM P/N 12345501 or equivalent.
2. Install the valve lifters.
3. Install the valve lifter guides.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the valve lifter guide bolts.
Tighten the valve lifter guide bolts to 30 Nm (22 ft. lbs.).