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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Engine Mechanical - 3.4L) >> 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 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the right engine strut mount. Refer to Engine Mount Strut Replacement - Right .
  2. Remove the thermostat bypass pipe. Refer to Thermostat Bypass Pipes Replacement in Engine Cooling.
  3. Remove the PCV valve from valve rocker arm cover.
    4. NOTE: Valve rocker arm cover gasket and sealant must be carefully trimmed away from lower intake manifold gasket. Failure to do so will damage the lower intake manifold gasket, causing a severe oil leak.
  4. Remove the valve rocker arm cover bolts.
    5. Fig 1: View Of Valve Rocker Arm Cover - Right
    GM60846Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When removing the valve rocker arm cover, make sure the gasket stays in place attached to the cylinder head.
  5. Remove the valve rocker arm cover. Bump the end of the valve rocker arm cover with the palm of your hand or a soft rubber mallet if the cover adheres to the cylinder head.
    6. Fig 2: Identifying Cylinder Head To Lower Intake Manifold Joint
    GM190588Courtesy of GENERAL MOTORS CORP.
  6. Trim valve cover gasket and sealant away from lower intake manifold gasket at the cylinder head to lower intake manifold joints (1).
  7. Remove the valve cover gasket.
  8. Clean the sealing surface on the cylinder head with degreaser.
  9. Clean the valve rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .
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