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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 481 (Engine Mechanical - 6.6L V8 Diesel) >> Removal & Installation >> Valve Rocker Arm Covers >> Removal (Lower Left)

Removal (Lower Left)

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove upper left valve rocker arm cover. Disconnect injector wiring harness connectors. Do not drop injector harness bolts in cylinder head oil return ports. Remove injector harness bracket bolts for both injector harnesses. Remove encapsulated injector wire terminal nuts on each injector. Remove both injector harnesses.
  2. Remove 12 lower valve rocker arm cover bolts. Remove lower valve rocker arm cover. Remove gasket from lower valve rocker arm cover. Remove bolt grommets from lower valve rocker arm cover.
  3. Clean lower valve rocker arm cover. Remove any sludge or other deposits. Clean lower valve rocker arm cover sealing surfaces. Inspect lower valve rocker arm cover for cracks or any damage. Inspect lower valve rocker arm cover sealing surfaces for damage. Replace lower valve rocker arm cover if any damage is found.
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