GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission Canister Purge Solenoid 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 (4) from the evaporative emission (EVAP) canister purge solenoid valve.

    3. Object Number: 1686302 Size: SH
  3. Disconnect the EVAP pipe quick connect fitting (1) from the solenoid purge valve (2). Refer to Plastic Collar Quick Connect Fitting Service .

    4. Object Number: 1686295 Size: SH
  4. Remove the EVAP purge solenoid valve bolt.
  5. Remove the EVAP purge solenoid valve.

Installation Procedure

    Object Number: 1686295 Size: SH
  1. Install the EVAP purge solenoid valve.

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

  2. Install the EVAP purge solenoid valve bolt.

    3. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 1686302 Size: SH
  3. Connect the EVAP pipe quick connect fitting (1) to the solenoid purge valve (2). Refer to Plastic Collar Quick Connect Fitting Service .

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