81. Valve Rocker Arm Cover Installation - Right
Valve Rocker Arm Cover Installation - Right
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.
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 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.
Notice: Refer to Fastener Notice in Service Precautions.
4. Install the valve rocker arm cover bolts.
^ Tighten the valve rocker arm cover bolts to 10 Nm (89 inch lbs.).
5. Install the vacuum lines from the upper intake manifold.
6. Install the ignition coil studs.
^ Tighten the ignition coil studs to 25 Nm (18 ft. lbs.).
7. Install the electronic ignition control module.
8. Install the electronic ignition control module nuts and bolts.
^ Tighten the electronic ignition control module nuts and bolts to 25 Nm (18 ft. lbs.).