Valve Rocker Arm Cleaning and Inspection

WARNING: This page is about a different variant/trim than selected.

Inspect the camshaft follower roller (1) for the following:

Fig 1: Inspecting Valve Rocker Arms
Courtesy of GENERAL MOTORS COMPANY
- Flat spots
- Excessive scoring and pitting
- Ensure the roller spins freely
Inspect the camshaft follower valve tip area (2).
Inspect the camshaft follower stationary hydraulic lash adjuster (SHLA) pivot area (3).
Replace the camshaft follower or followers as necessary.