Valve Rocker Arm and Push Rod Installation
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- 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.
- Install the push rods in their original location.
- Coat the rocker arm friction surfaces using prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.
- Install the valve rocker arms in their original positions.
- Install the valve rocker arm bolts.
Tighten: Tighten the valve rocker arm bolts to 32 N.m (24 lb ft).
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:
The intake valve push rods measure 146.0 mm (5.75 in) in length. The exhaust valve push rods measure 152.5 mm (6.0 in) in length.
IMPORTANT:
Shims may be required under the valve rocker arm pedestals if reconditioning has been performed on the cylinder head or its components.
NOTE:
Refer to Fastener Notice in Cautions and Notices.