GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Exhaust Gas Recirculation Valve Replacement

Removal Procedure

    Object Number: 1686289 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the engine harness electrical connector (2) from the exhaust gas recirculation (EGR) valve.

    3. Object Number: 1694089 Size: SH
  3. Remove the EGR valve nuts.
  4. Remove the EGR valve.
  5. Remove the EGR valve gasket.
  6. Clean the EGR valve mating surfaces.

Installation Procedure

    Object Number: 1694089 Size: SH
  1. Install a NEW EGR valve gasket.
  2. Install the EGR valve.

    3. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the EGR valve nuts.

    4. Tighten
    Tighten the nuts to 25 N·m (18 lb ft).


    Object Number: 1686289 Size: SH
  4. Connect the engine harness electrical connector (2) to the EGR valve.
  5. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .