C 3500 Truck 2WD V8-454 7.4L VIN J SFI (1999)
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.
