Valve Rocker Arm and Push Rod Installation

Tools Required: J 36660-A  Torque Angle Meter

1. Install the lower intake manifold gaskets.
   Fig 1: Lower Intake Manifold Gaskets

   Courtesy of GENERAL MOTORS CORP.
2. Coat the ends of the push rods using prelube GM P/N United States 1052367, GM P/N Canada 992869 or the equivalent.
   NOTE: The intake valve push rods measure 146.0 mm (5.75 in) in length, (yellow).
3. Install the push rods in their original location. The exhaust valve push rods measure 152.5 mm (6.0 in) in length, (green).
   Fig 2: Install The Push Rods

   Courtesy of GENERAL MOTORS CORP.
4. Coat the rocker arm friction surfaces using prelube GM P/N United States 1052367, GM P/N Canada 992869 or the equivalent.
   NOTE: 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.
6. Install the valve rocker arm bolts.

   Tighten: 

   Use the J 36660-A to tighten the valve rocker arm bolts to 19 N.m (14 lb ft) plus 30 degrees. 

   Fig 3: Valve Rocker Arms

   Courtesy of GENERAL MOTORS CORP.