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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Rocker Arm Cover Cleaning and Inspection - Lower

Valve Rocker Arm Cover Cleaning and Inspection - Lower

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the grommets.
  2. Clean the lower valve rocker arm cover. Remove any sludge or other deposits.
  3. Clean the lower valve rocker arm cover mating surfaces.
  4. Inspect the lower valve rocker arm cover for cracks or other damage.
  5. Inspect the lower valve rocker arm cover mating surfaces for damage.
  6. Replace the lower valve rocker arm cover if any damage is found.
  7. Inspect the grommets for damage.
    8. Fig 1: View Of Valve Rocker Arm Cover
    GM1472931Courtesy of GENERAL MOTORS CORP.
  8. Replace the grommets if any damage is found.
  9. Install the grommets.
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