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Valve Rocker Arm Cover Cleaning and Inspection

WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Valve Rocker Arm Cover
    GM187054Courtesy of GENERAL MOTORS CORP.
  1. Clean the valve rocker arm cover mating surface.
  2. Clean the valve rocker arm cover. Remove all the sludge and the oil deposits.
  3. Inspect the valve rocker arm cover for damage. Replace the valve rocker arm cover if any damage is found.
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