GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Valve Rocker Arm and Push Rod Replacement

Removal Procedure
  1. Remove the valve rocker arm cover.
    2. • Refer to Valve Rocker Arm Cover Replacement - Right Side .
    • Refer to Valve Rocker Arm Cover Replacement - Left Side .
  2. Remove the valve rocker arm and the valve pushrod. Refer to Valve Rocker Arm and Push Rod Removal .
  3. Clean and inspect the valve rocker arm and the valve pushrod. Refer to Valve Rocker Arm and Push Rod Cleaning and Inspection .

Installation Procedure
  1. Install the valve rocker arm and the valve pushrod. Refer to Valve Rocker Arm and Push Rod Installation .
  2. Install the valve rocker arm cover.
    3. • Refer to Valve Rocker Arm Cover Replacement - Left Side .
    • Refer to Valve Rocker Arm Cover Replacement - Right Side .