GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1226407  Size: SH

    Caution: Ensure that the vehicle is properly supported and squarely positioned. To help avoid personal injury when a vehicle is on a hoist, provide additional support for the vehicle on the opposite end from which the components are being removed.

    Important: The evaporative emission (EVAP) canister is located under the center of the vehicle. It has 3 EVAP line connections:

       • The EVAP fresh air hose
       • The EVAP purge connection
       • The EVAP vent connection

  1. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the EVAP canister fresh air line from the fuel tank fresh air line.
  3. Disconnect the EVAP canister purge line and vent line from the EVAP canister.

  4. Object Number: 1226414  Size: SH
  5. Remove the EVAP canister-to-underbody fasteners.
  6. Disconnect the EVAP vent solenoid electrical connector.
  7. Remove the canister from the vehicle.

Installation Procedure

  1. Connect the EVAP vent solenoid electrical connector.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1226414  Size: SH
  3. Install the EVAP canister-to-body underbody fasteners.
  4. Tighten
    Tighten the EVAP canister nuts to 8 N·m (71 lb in).


    Object Number: 1226407  Size: SH
  5. Connect the EVAP canister purge and vent lines to the EVAP canister.

  6. Object Number: 933920  Size: SH
  7. Connect the EVAP canister fresh air line to the fuel tank fresh air line.
  8. Lower the vehicle from the hoist.