GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Century 🢒 Engine 🢒 Engine Controls - 3.1L 🢒 Evaporative Emission Canister Purge Solenoid Valve Replacement

Removal Procedure
  1. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector.

    2. Object Number: 669537 Size: SH
  2. Disconnect the EVAP canister purge pipe from the EVAP canister purge valve.
  3. Disconnect the vacuum supply hose from the EVAP canister purge valve.

    4. Object Number: 576032 Size: SH
  4. Remove the EVAP canister purge valve bolt.
  5. Remove the EVAP canister purge valve from the intake manifold.

Installation Procedure

    Object Number: 576032 Size: SH
  1. Install the EVAP canister purge valve to the intake manifold.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the EVAP canister purge valve bolt.

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


    Object Number: 669537 Size: SH
  3. Connect the vacuum supply hose to the EVAP canister purge valve.
  4. Connect the EVAP canister purge pipe to the EVAP canister purge valve.
  5. Connect the EVAP canister purge valve electrical connector.