GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC P42 Commercial Chassis 🢒 Engine 🢒 Engine Cooling 🢒 Valve Rocker Arm and Push Rod Replacement

Removal Procedure

    Object Number: 39119 Size: SH
  1. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .

    2. Object Number: 68713 Size: SH

    Important: Store used components in order so that they can be reassembled in the same location.

  2. Remove the valve rocker arm nut.
    3. 2.1. If only the valve pushrod is being replaced, back the valve rocker arm nut off until the valve rocker arm can rotate away from the valve pushrod.
    2.2. Then remove the valve pushrod.
  3. Remove the valve rocker arm with the valve rocker arm ball.

    4. Object Number: 22766 Size: SH
  4. Remove the valve pushrod.
  5. Clean and inspect all parts.

    6. Refer to Valve Rocker Arm and Push Rods Clean and Inspect .

Installation Procedure

    Object Number: 343916 Size: SH
  1. Install the valve pushrod. Refer to Valve Rocker Arm and Push Rod Installation .

    2. Object Number: 22759 Size: SH
  2. Adjust the valve lash. Refer to Valve Lash Adjustment .

    3. Object Number: 39119 Size: SH
  3. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .