81. Valve Rocker Arm Cover Installation - Left

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 12378392 or equivalent to clean surfaces.
^ Apply sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent at the cylinder head to lower intake manifold joint.

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 sealant GM P/N 12378521, (Canadian P/N 88901148) or the equivalent to the joint surfaces (1) where the cylinder head and intake manifold meet.





3. Install the valve rocker arm cover.

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

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