GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 627189  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Disconnect the vent pipe (2) from the evaporative emission (EVAP) canister vent valve.
  3. Disconnect the EVAP canister vent valve electrical connector (3).
  4. Detach the EVAP canister vent valve from the EVAP canister vent valve bracket (1).

Installation Procedure


    Object Number: 627189  Size: SH
  1. Install the EVAP canister vent valve to the EVAP canister vent valve bracket (1).
  2. Connect the EVAP canister vent valve electrical connector (3).
  3. Connect the vent pipe (2) to the EVAP canister vent valve.
  4. Lower the vehicle.