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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (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 Safari and 2003 Chevrolet Astro. 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 oil filler tube and bolt.
    Fig 1: Removing Oil Filler Tube And Bolt - Left
    G01643674Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
    Fig 2: Disconnecting Engine Coolant Temperature (ECT) Sensor Electrical Connector - Left
    G01643675Courtesy of GENERAL MOTORS CORP.
  4. Remove the PCV valve hose assembly from the intake manifold and the valve rocker arm cover.
  5. Remove the rear spark plug wire retainer from the support.
  6. Remove the valve rocker arm cover. Refer to VALVE ROCKER ARM COVER REMOVAL - LEFT  .
  7. Clean all sealing surfaces and the valve rocker arm cover. Refer to VALVE ROCKER ARM COVER CLEANING AND INSPECTION  .
    Fig 3: Removing PCV Valve Hose Assembly From Intake Manifold And Valve Rocker Arm Cover - Left
    G01643676Courtesy of GENERAL MOTORS CORP.
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