Rocker Arm Assembly: Service and Repair
Valve Rocker Arm and Push Rod Replacement- Tools Required
- J 36660-A Torque Angle Meter
Removal Procedure
1. Remove the valve rocker arm covers.
2. Remove the rocker arm bolts.
3. Remove the rocker arms.
Important:
- Place the valve train parts in a rack in order to ensure that they are installed in the same location from which they were removed. Intake pushrods measure 144.18 mm (5.68 inch) long. Exhaust pushrods measure 152.51 mm (6.0 inch) long.
- Use care when removing the pushrods. Ensure that they do not fall down into the lifter valley.
4. Remove the pushrods.
Installation Procedure
Important: Coat the bearing surface of the rocker arms, rocker arm bolts, and pushrods with prelude GM P/N 1052367 (Canadian P/N 992869) or its equivalent. Install all of the components in their original location.
1. Use the following steps in order to install the pushrods.
1.1. Coat the ends of the pushrods with prelude GM P/N 1052367 (Canadian P/N 992869) or equivalent.
1.2. Install the intake valve pushrods measure 144.18 mm (5.68 inch) long.
1.3. Install the exhaust valve pushrods measure 152.51 mm (6.0 inch) long.
2. Install the rocker arms.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the rocker arm bolts. See TSB 02-06-01-034
Tighten the bolts to 14 Nm (124 in. lbs.). Using the J 36660-A rotate the bolts an additional 30 degrees.
4. Install the valve rocker arm covers.