GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


Object Number: 933930  Size: SH

Important: The EVAP emissions canister is located under the center of the vehicle. It has 3 EVAP line connections:

    • The EVAP fresh air hose (1)
    • The EVAP purge connection (2)
    • The EVAP vent connection (3)

    Object Number: 933920  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.

  1. Raise the vehicle on a hoist.
  2. Disconnect the EVAP canister fresh air line from the fuel tank fresh air line.

  3. Object Number: 933942  Size: SH
  4. Disconnect the EVAP canister purge line and vent line from the EVAP canister.

  5. Object Number: 927741  Size: SH
  6. Remove the 3 EVAP canister-to-underbody fasteners.
  7. Disconnect the EVAP vent solenoid electrical connector.
  8. Remove the canister from the vehicle.

  9. Object Number: 933101  Size: SH
  10. Remove the EVAP canister from the EVAP canister bracket.

Installation Procedure


    Object Number: 933101  Size: SH
  1. Install the EVAP canister onto the EVAP canister bracket.
  2. Install the EVAP vent solenoid electrical connector.

  3. Object Number: 927741  Size: SH
  4. Install the 3 EVAP canister-to-body underbody fasteners.
  5. Tighten
    Tighten the EVAP canister-to-body nuts to 8 N·m (71 lb in).


    Object Number: 933942  Size: SH
  6. Connect the EVAP canister purge and vent lines to the EVAP canister.

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