GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 625819  Size: SH
  3. Loosen the evaporative emission (EVAP) canister vent valve hose clamp and slide the clamp down the hose away from the EVAP vent valve hose connection.
  4. Remove the hose from the EVAP canister vent valve.

  5. Object Number: 625834  Size: SH
  6. Remove the EVAP canister vent valve by placing a pry bar between the valve and mounting surface, and moving the valve forward.

  7. Object Number: 409023  Size: SH
  8. Remove the clip from the EVAP canister vent valve harness connector.

  9. Object Number: 409025  Size: SH
  10. Disconnect the EVAP canister vent valve harness connector.

Installation Procedure


    Object Number: 409025  Size: SH
  1. Connect the EVAP canister vent valve harness connector.

  2. Object Number: 409023  Size: SH
  3. Install the clip into the EVAP canister vent valve harness connector.

  4. Object Number: 625834  Size: SH
  5. Install the EVAP canister vent valve by pushing the mounts into the original holes.

  6. Object Number: 625819  Size: SH
  7. Lubricate the hose end with lubricant.
  8. Install the hose to the EVAP canister vent valve.
  9. Slide the EVAP canister vent valve hose clamp down on to the hose connection at the EVAP canister vent valve.
  10. Lower the vehicle.