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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Engine Mechanical - 3.5L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Valve Rocker Arm Cover Removal - Right

Valve Rocker Arm Cover Removal - Right

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Remaining Spark Plug Wires And Their Retainers
    GM909582Courtesy of GENERAL MOTORS CORP.
  1. Remove any remaining spark plug wires from their retainers.
  2. Remove the ignition coil assembly bolts and nuts.
  3. Remove the ignition coil assembly.
  4. Remove the ignition coil assembly studs, if necessary.
    5. Fig 2: View Of Vacuum Hoses
    GM909586Courtesy of GENERAL MOTORS CORP.
  5. Remove the positive crankcase ventilation tube from the valve rocker arm cover.
    6. Fig 3: View Of Valve Rocker Arm Cover - Right
    GM60846Courtesy of GENERAL MOTORS CORP.
    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.
  6. Remove the valve rocker arm cover bolts.
    7. IMPORTANT: When removing the valve rocker arm cover make sure the gasket stays in place attached to the cylinder head.
  7. Remove the valve rocker arm cover.
    8. Fig 4: Identifying Cylinder Head To Lower Intake Manifold Joint
    GM190588Courtesy of GENERAL MOTORS CORP.
  8. Trim valve cover gasket and sealant away from lower intake manifold gasket at the cylinder head to lower intake manifold joints (1).
  9. Remove the valve rocker arm cover gasket.
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