Valve Rocker Arm and Push Rod Installation

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

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: RTV sealer is not to be placed under the lower intake manifold gaskets.

Install the lower intake manifold gaskets.

Fig 2: View Of Push Rods

Courtesy of GENERAL MOTORS CORP.

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

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: View Of 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 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 .

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