Removal Procedure
- Remove the valve rocker arm cover.
• | Refer to Valve Rocker Arm Cover Removal (Left)
. |
• | Refer to Valve Rocker Arm Cover Removal (Right)
. |
Important: Store used components in order so that they can be reassembled in the
same location.
- Remove the valve rocker arm nut.
• | If only the pushrod is being replaced, back the valve rocker arm
nut off until the valve rocker arm can rotate away from the pushrod. |
• | Then remove the pushrod. |
- Remove the valve rocker arm with the ball.
- Remove the pushrod.
- Clean and inspect all parts. Refer to Valve Rocker Arm and Push Rods Clean and Inspect
.
Installation Procedure
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.
- Install the pushrod.
- Make sure the pushrod seats properly in the valve lifter. Refer
to Valve Rocker Arm and Push Rod Installation
.
- Install the valve rocker arm with the ball.
- Install the valve rocker arm nut.
- Adjust the valve lash. Refer to Valve Lash Adjustment
.
- Install the valve rocker arm cover.
• | Refer to Valve Rocker Arm Cover Installation (Left)
. |
• | Refer to Valve Rocker Arm Cover Installation (Right)
. |