Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
1. Install the pushrod.
IMPORTANT: When new valve rocker arms and/or balls are installed, coat their bearing surfaces with a high viscosity lubricant containing zinc,
such as GM P/N 1052367.
Refer to Valve Rocker Arm and Push Rod Installation under Engine Unit Repair.
2. Install the valve rocker arm with the ball to the rocker arm stud.
IMPORTANT: Make sure the pushrod seats properly in the valve lifter.
3. Install the valve rocker arm nut.
4. Adjust the valve lash. Refer to Valve Lash Adjustment under Engine Unit Repair.
5. Install the valve rocker arm covers.
