Rocker Arm Assembly: Service and Repair

Valve Rocker Arm and Push Rod Replacement

REMOVAL PROCEDURE






1. Disconnect the battery negative cable from the battery. Refer to Battery Cable in Powertrain Management.
2. Remove the valve rocker arm covers from the cylinder head. Refer to Valve Rocker Arm Cover Replacement.

IMPORTANT: If the push rod is the only item to be replaced, loosen the valve rocker arm bolt until the valve rocker arm can be rotated so the push rod can be removed.

3. Remove the valve rocker arm bolt from the cylinder head.
4. Remove the valve rocker arm and guide from the cylinder head. Store the valve train components in order so that the components can be reassembled in the same location.






5. Remove the pushrod from the engine block.

INSTALLATION PROCEDURE

IMPORTANT: Make sure that the pushrod is properly seated in the valve lifter.

IMPORTANT: When a new valve rocker arm and balls are installed, coat the bearing surfaces with clean engine oil.






1. Install the pushrod into the engine block.






NOTICE: Refer to Fastener Notice in Service Precautions.

2. Install the valve rocker arm bolt to the cylinder head.
^ Tighten The bolts to 54 Nm (40 Nm ft. lbs.).
3. Install the valve rocker arm cover to the cylinder head. Refer to Valve Rocker Arm Cover Replacement.
4. Connect the battery negative to the battery. Refer to Battery Cable in Powertrain Management.