78. Valve Rocker Arm and Push Rod Installation

Valve Rocker Arm and Push Rod Installation

- Tools Required
- J 36660-A Torque Angle Meter





1. Install the lower intake manifold gaskets.





2. Coat the ends of the push rods using prelude GM P/N United States 1052367, GM P/N Canada 992869 or the equivalent.

Important: The intake valve push rods measure 146.0 mm (5.75 inch) in length, (yellow).

3. Install the push rods in their original location.
The exhaust valve push rods measure 152.5 mm (6.0 inch) in length, (green).





4. Coat the rocker arm friction surfaces using prelude GM P/N United States 1052367, GM P/N Canada 992869 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.

5. Install the valve rocker arms in their original positions.

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the valve rocker arm bolts.
Use the J 36660-A to tighten the valve rocker arm bolts to 14 Nm (124 in. lbs.) plus 30 degrees.