86. Valve Rocker Arm Cover Installation - Left Side

Valve Rocker Arm Cover Installation - Left





1. Important: All gasket-mating surfaces need to be free of oil and foreign material. Use GM P/N 12346139 (Canadian P/N 10953463) or equivalent to clean surfaces.

Install the valve rocker arm cover gasket into the valve rocker arm cover.





2. Apply sealer GM P/N 12378521 (Canadian P/N 88901148) or equivalent to the surfaces where the cylinder head and intake manifold meet (1).
3. Install the valve rocker arm cover.

4. Notice: Refer to Fastener Notice in Service Precautions.

Important: Use an alternating criss-cross pattern when tightening the valve rocker cover bolts. Failure to do so may result in oil leakage from the valve cover due to improper seating of the gasket.

Install the valve rocker arm cover bolts, if necessary.
Tighten the valve rocker arm cover bolts to 10 Nm (89 inch lbs.).





5. Install the positive crankcase ventilation (PCV) tube.
6. Install the PCV clip and tube bolt.
Tighten the PCV tube bolt to 10 Nm (89 inch lbs.).