Valve Rocker Arm and Push Rod Installation

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: View Of Intake Manifold Gaskets

Courtesy of GENERAL MOTORS CORP.

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

IMPORTANT: Room temperature vulcanizing (RTV) sealer is not to be placed under the lower intake manifold gaskets.

Install the lower intake manifold gaskets.
Coat the ends of the push rods using prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.

Fig 2: View Of Push Rods

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The intake valve push rods measure 146.0 mm (5.75 in) and the exhaust valve push rods measure 152.5 mm (6.0 in) in length.

Install the push rods in their original location.

Fig 3: Loosening Valve Rocker Arm Bolts

Courtesy of GENERAL MOTORS CORP.

Coat the rocker arm friction surfaces using prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.

IMPORTANT: Shims - P/N 88894006 may be required under the valve rocker arm pedestals if reconditioning has been performed on the cylinder head or its components.

Install the valve rocker arms in their original positions.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Install the valve rocker arm bolts.
Tighten: Tighten the valve rocker arm bolts to 32 N.m (24 lb ft).