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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1217 (Engine Mechanical - 3.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in Engine Cooling.
  2. Remove the left spark plug wires. Refer to SPARK PLUGS in Engine Performance - Removal and Installation.
  3. Remove the thermostat bypass hose and the pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT in Engine Cooling.
  4. Remove the positive crankcase ventilation (PCV) valve from the left valve rocker arm cover.
  5. Remove the left valve rocker arm cover bolts.
  6. Remove the left valve rocker arm cover.
  7. Remove the left valve rocker arm cover gasket.
  8. Clean the valve rocker arm cover.
  9. Clean the valve rocker arm cover gasket mating surfaces.
    Fig 1: Removing Left Valve Rocker Arm Cover
    G02081407Courtesy of GENERAL MOTORS CORP.
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