83. Valve Rocker Arm and Push Rod Installation

- Tools Required
- J36660-A Torque Angle Meter





1. Install the push rods.
2. Install the push rod guide plates.
3. Install the valve rocker arms.

Notice: Refer to Permanently Stretching Bolt Notice in Service Precautions.

4. Apply GM P/N 12345493 threadlocker or equivalent to the valve rocker arm bolt threads.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the valve rocker arm bolts.
Tighten the valve rocker arm bolts to 15 Nm (111 ft. lbs.) + 90 degrees using J36660-A.