GM Service Manual Online
For 1990-2009 cars only

    Object Number: 483134  Size: SH
  1. Inspect the camshaft follower roller (1) for the following:
  2. • Flat spots
    • Excessive scoring and pitting
    • Ensure the roller spins freely
  3. Inspect the camshaft follower valve tip area (2).
  4. Inspect the camshaft follower stationary hydraulic lash adjuster (SHLA) pivot area (3).
  5. Replace the camshaft follower or followers as necessary.