Lifter / Lash Adjuster: Service and Repair

^ Tools Required
- J 3049 Valve Lifter Remover

Removal Procedure





1. Remove the intake manifold.
2. Remove the valve rocker arms and pushrods.
3. Remove the valve lifter guide retainer bolts and retainer.





Important: Mark, sort, or organize the valve lifters and guides for installation in their original location.

4. Remove the valve lifter guides.
5. Remove the valve lifters.





6. Some valve lifters may be stuck in their bore due to gum or varnish deposits. These lifters can be removed using J 3049.
7. Clean and inspect the valve lifters.

Installation Procedure

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





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

Important: If reusing the valve lifters, install the lifters 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.

2. Install the valve lifters.
3. Install the valve lifter guides over the flats on the valve lifters, making sure the rollers of the valve lifters; are properly aligned with the camshaft lobes.





4. Install the valve lifter guide retainer.
5. Install the valve lifter guide retainer bolts.
6. Install the valve rocker arms and pushrods.
7. Install the intake manifold.