GM Service Manual Online
For 1990-2009 cars only

Exhaust Gas Recirculation Valve Cooler Cleaning and Inspection California Emissions


    Object Number: 798911  Size: SH
  1. Remove the EGR cooling hoses.
  2. Clean and inspect the EGR gasket surfaces.
  3. Clean and inspect the EGR and cooler.
  4. Replace the EGR or cooler if damaged.