GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the evaporative emission (EVAP) canister from the vehicle. Refer to Evaporative Emission Canister Replacement .

  2. Object Number: 1455825  Size: SH
  3. Rotate the EVAP canister vent valve counterclockwise to release from the locked position.

  4. Object Number: 1455828  Size: SH
  5. Remove the vent valve from the EVAP canister.

Installation Procedure


    Object Number: 1455828  Size: SH
  1. Insert the EVAP canister vent solenoid valve into the EVAP canister, with the valve aligned to the released position.

  2. Object Number: 1455825  Size: SH
  3. Rotate vent valve clockwise to secure into the locked position.
  4. Install the EVAP canister to the vehicle. Refer to Evaporative Emission Canister Replacement .