GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn OFF the ignition.

  2. Object Number: 1237597  Size: SH
  3. Disconnect the exhaust gas recirculation (EGR) valve electrical connector.
  4. Remove the EGR valve retaining nuts.
  5. Remove the EGR valve assembly.
  6. Remove the gasket.
  7. Clean the EGR valve mating surface.

Installation Procedure


    Object Number: 1237597  Size: SH
  1. Install the EGR valve with a new gasket to the engine.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the EGR valve nuts.
  4. Tighten
    Tighten the nuts to 22 N·m (16 lb ft).

  5. Connect the EGR valve electrical connector.