Rocker Arm Assembly: Service and Repair

Valve Rocker Arm and Push Rod Replacement

Removal Procedure





1. Remove the valve rocker arm cover.

Important: Place the components in a rack in order of disassembly so they can be reinstalled at the same location and with the same mating surface as when removed.

2. Remove the rocker arm bolt.
3. Remove the rocker arm.





4. Remove the pushrod.

Installation Procedure





Important: Whenever new rocker arms and/or rocker arm balls are being installed, coat the bearing surfaces of the rocker arms and the rocker arm balls with camshaft assembly lube GM P/N 1052365 or equivalent.

1. Install the pushrods, making sure that they seat in the lifters.





2. Install the rocker arms.
3. Apply Dri-Slide Moly lubricant GM P/N 1052948 (Canadian P/N 992926) or equivalent to the threads of the bolts.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the rocker arm bolts.
^ Tighten the nuts to 30 Nm (22 ft. lbs.).
5. Install the valve rocker arm cover.