Rocker Arm Assembly: Service and Repair

Valve Rocker Arm and Push Rod Replacement

Removal Procedure





1. Remove the valve rocker arm cover.

Important: Be sure that valve train components are kept together and identified so that they can be installed in their original location.





2. Remove the rocker arm assemblies.
3. Remove the pushrods.
4. Clean and inspect all parts.

Installation Procedure

Important: When you install new rocker arms, lubricate the pivot bearing valve tips, and push rod sockets of the rocker arms with engine assembly prelube GM P/N 1052367.





1. Install the pushrods. Ensure that the pushrods seat in the lifters.





2. Install the rocker arms.

Notice: Refer to Fastener Notice in Service Precautions.

Important: Do not over tighten the rocker arm bolts.

3. Ensure that the locating tab on the rocker pivot is properly aligned with the notch in the cylinder head.
^ Tighten the rocker arm bolts to 25 Nm (19 ft. lbs.).
4. Install the valve rocker arm cover.