GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1239219  Size: SH
  1. Loosen the fuel cap in order to relieve the system pressure.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  3. Disconnect the evaporative emission (EVAP) canister purge valve electrical connector (1).
  4. Disconnect the EVAP purge pipe (2) from the EVAP canister purge valve.

  5. Object Number: 1242773  Size: SH
  6. Remove the EVAP canister purge valve retaining bolt.
  7. Remove the EVAP canister purge valve from the water housing.

Installation Procedure

    Important: Be sure to install a new O-ring on the EVAP purge valve.

  1. Lubricate the O-ring with clean engine oil.

  2. Object Number: 1242773  Size: SH
  3. Install the EVAP canister purge valve to the water housing.
  4. 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.

  5. Install the EVAP canister purge valve retaining bolt.
  6. Tighten
    Tighten the bolt to 12 N·m (106 lb in).


    Object Number: 1239219  Size: SH
  7. Connect the EVAP purge pipe (2) to the EVAP canister purge valve.
  8. Connect the EVAP canister purge valve electrical connector (1).
  9. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .