Valve Lifter Installation

IMPORTANT: If a new camshaft is installed, replace all the valve lifters.





1. Coat the valve lifter rollers with prelube, GM P/N 1052367 or equivalent.
2. Install the valve lifters.

IMPORTANT: If reusing the valve lifters, install in their original location. The valve lifter guide retainer must contact all of the valve lifter guides. If the valve lifter guide retainer is bent, the valve lifter guide retainer must be replaced.

3. Install the valve lifter guides.





4. Install the valve lifter guide retainer.
5. Install the valve lifter guide retainer bolts.
Tighten the valve lifter guide retainer bolts to 25 Nm (18 ft. lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.