Rocker Arm Assembly: Service and Repair

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Service Precautions.





1. Disconnect the negative battery cable.
2. Remove the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement (Left) or Valve Rocker Arm Cover Replacement (Right).

Important: Keep the components separated in order to install the components in the same location.

3. Remove the rocker arm bolts.
4. Remove the rocker arm pivot balls.
5. Remove the rocker arms.

Important: Keep the pushrods in order in order to install the pushrods in the original position.

6. Remove the pushrods.

Installation Procedure

- Tools Required
- J 36660-A Torque Angle Meter





1. Install the pushrods in the original location.
- Coat the ends of the pushrods with GM P/N 1052356 or the equivalent.
- The intake pushrods are identified with yellow stripes and are 5 3/4 inches long.
- Exhaust pushrods are identified with green stripes and are 6 inches long.
- Ensure that the pushrods seat in the lifter.
2. Install the rocker arms.
3. Install the rocker arm pivot balls.
Coat the bearing surfaces of the rocker arms and the pivot balls with GM P/N 1052356 or the equivalent.

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the rocker arm bolts. See TSB 02-06-01-034
- Tighten the bolts to 14 Nm (124 inch lbs.). Use the J 36660-A in order to tighten the bolts an additional 30 degrees.
5. Install the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement (Left) or Valve Rocker Arm Cover Replacement (Right).
6. Connect the negative battery cable.