Valve Rocker Arm Cover Installation - Left Side

WARNING: This page is about a different variant/trim than selected.

Fig 1: Identifying Cylinder Head To Lower Intake Manifold Joint

Courtesy 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.

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.
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.

Fig 2: View Of Valve Rocker Arm Cover - Left

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice .

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

Fig 3: Removing/Installing PCV Tube

Courtesy of GENERAL MOTORS CORP.

Install the positive crankcase ventilation (PCV) tube.
Install the PCV clip and tube bolt.
Tighten: Tighten the PCV tube bolt to 10 N.m (89 lb in).