Installation Procedure

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 Left Valve Rocker Arm Cover

Courtesy of GENERAL MOTORS CORP.

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.

Fig 2: Identifying Cylinder Head To Lower Intake Manifold Joint

Courtesy of GENERAL MOTORS CORP.

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

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

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: Installing PCV Tube O-Rings

Courtesy of GENERAL MOTORS CORP.

Install two NEW positive crankcase ventilation (PCV) tube O-rings.

Fig 4: Installing Fresh Air Tube

Courtesy of GENERAL MOTORS CORP.

Install the fresh air tube.