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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Engine Mechanical - 4.3L) >> 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 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim .
  2. Remove the air cleaner assembly.
  3. Remove the positive crankcase ventilation (PCV) valve and hose assembly from the valve rocker arm cover and the intake manifold.
    Fig 1: Removing PCV Valve & Hose Assembly
    G02077735Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the engine coolant temperature (ECT) gage sensor electrical connector.
  5. Remove the ECT gage sensor connector from the bracket.
  6. Remove the spark plug wires for the left side of the engine from the distributor cap.
  7. Remove the air conditioning compressor discharge hose, if equipped. Refer to DISCHARGE HOSE REPLACEMENT .
  8. Remove the air conditioning compressor suction hose, if equipped. Refer to SUCTION HOSE REPLACEMENT .
    Fig 2: Disconnecting ECT Gage Sensor Electrical Connector
    G02077736Courtesy of GENERAL MOTORS CORP.
  9. Remove the valve rocker arm cover bolts.
    Fig 3: Removing Valve Rocker Arm Cover Bolts
    G02077737Courtesy of GENERAL MOTORS CORP.
  10. Remove the valve rocker arm cover.
    Fig 4: Removing Valve Rocker Arm Cover
    G02077738Courtesy of GENERAL MOTORS CORP.
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