GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Sonoma Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Valve Rocker Arm and Push Rod Replacement

Removal Procedure

    Object Number: 4045 Size: SH
  1. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .
  2. Remove the valve rocker arm nut, valve rocker arm with the valve rocker arm ball . Refer to Valve Rocker Arm and Push Rod Removal .
  3. Remove the valve pushrods.
  4. Clean and inspect the valve rocker arms, valve rocker arm nuts, valve rocker arm ball and the valve pushrods. Refer to Valve Rocker Arm and Push Rod Cleaning and Inspection

Installation Procedure

    Object Number: 4047 Size: SH
  1. Install the valve pushrods.
  2. Install the valve rocker arm nut, valve rocker arm with the valve rocker arm ball. Refer to Valve Rocker Arm and Push Rod Installation .
  3. Install the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement .