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Valve Rocker Arm Cleaning and Inspection

    Fig 1: Valve Rocker Arm
    GM483134Courtesy of GENERAL MOTORS CORP.
  1. Inspect the camshaft follower roller (1) for the following:
    • Flat spots
    • Excessive scoring and pitting
    • Ensure the roller spins freely
  2. Inspect the camshaft follower valve tip area (2).
  3. Inspect the camshaft follower stationary hydraulic lash adjuster (SHLA) pivot area (3).
  4. Replace the camshaft follower or followers as necessary.
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