GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC Suburban - 2WD 🢒 Engine 🢒 Engine Mechanical - 5.0L and 5.7L 🢒 Valve Rocker Arm and Push Rod Replacement

Removal Procedure
  1. Remove the valve rocker arm cover.
    2. • Refer to Valve Rocker Arm Cover Removal (Left) .
    • Refer to Valve Rocker Arm Cover Removal (Right) .

    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. • 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.
  3. Remove the valve rocker arm with the ball.

    4. Object Number: 22766 Size: SH
  4. Remove the pushrod.
  5. 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.

  1. Install the pushrod.

    2. Object Number: 22766 Size: SH
  2. Make sure the pushrod seats properly in the valve lifter. Refer to Valve Rocker Arm and Push Rod Installation .
  3. Install the valve rocker arm with the ball.
  4. Install the valve rocker arm nut.
  5. Adjust the valve lash. Refer to Valve Lash Adjustment .
  6. Install the valve rocker arm cover.
    7. • Refer to Valve Rocker Arm Cover Installation (Left) .
    • Refer to Valve Rocker Arm Cover Installation (Right) .