Lifter / Lash Adjuster: Service and Repair

Valve Lifter Replacement

Removal Procedure
1. Remove the lower intake manifold.
2. Remove the valve rocker arms and the valve push rods.
3. Remove the valve lifters.
4. Use a cleaning solvent and a shop towel to clean any varnish from the valve lifter bores.
5. Inspect the valve lifter bores for excessive wear or scoring. Replace the engine block if there is excessive wear or deep scoring.
6. Inspect the camshaft for wear or damage. If the wear is questionable remove the camshaft and inspect.
7. Clean and inspect the valve lifters and the valve pushrod guide.

Installation Procedure

Important: It is normal for NEW lifters to make a slight ticking noise when the engine is first started. Increasing the engine RPMs slightly to raise oil pressure should stop the noise.

1. Install the valve lifters.
2. Install the valve rocker arms and push rods.
3. Install the lower intake manifold.