Procedures

Valve Rocker Arm and Push Rod Replacement

Removal Procedure

1. Remove the valve rocker arm cover.





2. Remove the rocker arm bolts and discard.
3. Remove the valve rocker arms and the pushrods.

Installation Procedure





1. Coat the ends of the push rods and rocker arm friction surfaces using using prelube GM P/N 12345501 (Canadian P/N 990404) or the equivalent.

Important: The intake valve push rods measure 144 mm (5.68 inch) in length.
The exhaust valve push rods measure 152.5 mm (6.0 inch) in length.

2. Install the push rods in their original location.





3. Coat the rocker arm friction surfaces using camshaft and lifter prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.
4. Install the new valve rocker arm bolts.

Tighten
Tighten the bolts to 32 Nm (24 ft. lbs.).

5. Install the valve rocker arm cover.