Rocker Arms
REMOVAL PROCEDURE1. Disconnect the negative battery cable.
CAUTION: Refer to Battery Disconnect Caution In Service Precautions.
2. Remove the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement.
3. Remove the rocker arm bolts.
IMPORTANT: Keep the components separated so they may be installed in the same location.
4. Remove the rocker arm pivot balls.
5. Remove the rocker arms.
6. Remove the pushrods.
IMPORTANT: Keep the pushrods in order so that they can be installed in the original position.
INSTALLATION PROCEDURE
^ Tools Required
- J 36660 Torque Angle Meter
1. Install the pushrods.
- Install the pushrods in their original location.
- Coat the ends of the pushrods with prelube. Use GM P/N 1052356 or its equivalent.
- The intake pushrods are marked with yellow stripes and are 5 3/4 inch long.
- Exhaust pushrods are marked with green stripes and are 6 inch 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 prelube. Use GM P/N 1052356 or its equivalent.
4. Install the rocker arm bolts.
^ Tighten the bolts to 14 Nm (124 inch lbs.). Use the J 36660 in order to tighten the bolts an additional 30 degrees.
NOTICE: Refer to Fastener Notice in Service Precautions.
Install the valve rocker covers. Refer to Valve Rocker Arm Cover Replacement.
5. Connect the negative battery cable.