GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 698627  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the evaporative emission (EVAP) vent valve electrical connector (1).
  3. Remove the EVAP vent valve bracket bolt.
  4. Remove the vent hose (4) from the EVAP vent valve.
  5. Remove the EVAP vent valve from the bracket (2).

Installation Procedure


    Object Number: 698627  Size: SH
  1. Install the EVAP vent valve to the bracket (2).
  2. Install the vent hose (4) to the EVAP vent valve.
  3. Install the EVAP vent valve and the bracket.
  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 vent valve bracket bolt.
  6. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  7. Connect the EVAP vent valve electrical connector (1).
  8. Lower the vehicle.