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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 Installation - Left

Valve Rocker Arm Cover Installation - Left

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: Identifying Cylinder Head To Lower Intake Manifold Joint
    GM190588Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: All gasket-mating surfaces need to be free of oil and foreign material. Use P/N 12378392 or equivalent to clean surfaces.
    IMPORTANT: Apply sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent, at the cylinder head to lower intake manifold joint.
  1. Install a new gasket to the valve rocker arm cover. Ensure that the gasket is properly seated in the groove of the valve rocker arm cover.
  2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the joint surfaces (1) where the cylinder head and intake manifold meet.
  3. Fig 2: View Of Valve Rocker Arm Cover - Left
    GM54369Courtesy of GENERAL MOTORS CORP.
  4. Install the valve rocker arm cover.
  5. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the valve rocker arm cover bolts, if necessary.

    Tighten:  Tighten the valve rocker arm cover bolts to 10 N.m (89 lb in).

  7. Fig 3: View Of PCV Tube
    GM909576Courtesy of GENERAL MOTORS CORP.
  8. Install the positive crankcase ventilation (PCV) tube.
  9. Install the PCV clip and tube bolt.

    Tighten:  Tighten the PCV tube bolt to 10 N.m (89 lb in).