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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 >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Lower Left >> Removal Procedure

Removal Procedure

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 upper left valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Upper Left .
  2. Remove the fuel injectors. Refer to Fuel Injector Replacement (Left) or Fuel Injector Replacement (Right) in Engine Controls - 6.6L (LLY).
  3. Remove the lower valve rocker arm cover bolts.
  4. Remove the lower valve rocker arm cover.
  5. Remove the gasket from the lower valve rocker arm cover.
    6. Fig 1: View Of Lower Valve Rocker Arm Cover (Left)
    GM1335926Courtesy of GENERAL MOTORS CORP.
  6. Inspect the lower valve rocker arm cover gasket for damage, replace if necessary. Otherwise reuse the old gasket.
  7. If required, clean and inspect the lower valve rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection - Lower .
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