GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Savana 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Control Valve Body Cleaning and Inspection

Control Valve Body Cleaning and Inspection for GMC Truck Savana 2003


    Object Number: 40623 Size: SH

    Notice: Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.

  1. Clean the control valve body (301) in clean solvent.
  2. Dry the control valve body (301) using compressed air.
  3. Inspect the control valve body casting for the following conditions:
    4. • Porosity
    • Cracks
    • Interconnected passages
    • Damaged machined surfaces