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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 708 (Engine Mechanical - 3.1L (On-Vehicle)) >> Repair Instructions >> Valve Rocker Arm Cover Replacement - Left (Front) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Partially drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Remove the front ignition wire harness at the upper intake manifold and at the spark plugs.
    3. Fig 1: Removing Front Ignition Wire Harness
    G01810935Courtesy of GENERAL MOTORS CORP.
  3. Remove the thermostat bypass pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT in Engine Cooling.
  4. Disconnect the PCV vacuum hose.
  5. Remove the valve rocker cover bolts.
  6. Remove the valve rocker cover, Bump the end of the valve rocker cover with the palm of your hand or a soft rubber mallet if the cover adheres to the cylinder head.
  7. Clean the sealing surface on the cylinder head and the valve rocker cover with degreaser.
    Fig 2: Removing Valve Rocker Cover
    G01810936Courtesy of GENERAL MOTORS CORP.
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