Lifter / Lash Adjuster: Service and Repair

Valve Lifter Replacement
Removal Procedure
1. Remove the lower intake manifold.
2. Remove the valve rocker arms and pushrods.





3. Remove the intake manifold oil splash shield





4. Remove the lifter guide bolts.
5. Remove the valve lifter guides.
6. Remove the valve lifters.
7. Clean all gasket surfaces with degreaser.
8. Clean the valve train parts.
9. Inspect the valve lifters and the cam lobes for wear.

Installation Procedure





1. Coat the valve lifters with prelube GM P/N 1052367 (Canadian P/N 992869) or equivalent.
2. Install the valve lifters to the same location from which they were removed.
3. Install the valve lifter guides.

4. Notice: Refer to Fastener Notice in Service Precautions.

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





5. Install the intake manifold oil splash shield
6. Install the valve rocker arms and pushrods.
7. Install the lower intake manifold.