GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Clean the evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid possible EVAP system contamination.


    Object Number: 1964762  Size: SH
  1. Remove the EVAP canister vent solenoid valve. Refer to Evaporative Emission Canister Vent Solenoid Valve Replacement.
  2. Disconnect the EVAP pipe quick connect fitting (3) from the auxiliary EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service.

  3. Object Number: 1965655  Size: SH
  4. Remove the auxiliary EVAP canister nuts (1).

  5. Object Number: 1965658  Size: SH
  6. Remove the auxiliary EVAP canister (1) from the vehicle.

Installation Procedure


    Object Number: 1965658  Size: SH
  1. Install the auxiliary EVAP canister (1) to the vehicle.

  2. Object Number: 1965655  Size: SH
  3. Install the auxiliary EVAP canister nuts (1).

  4. Object Number: 1964762  Size: SH
  5. Connect the EVAP pipe quick connect fitting (3) to the auxiliary EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service.
  6. Install the EVAP canister vent solenoid valve. Refer to Evaporative Emission Canister Vent Solenoid Valve Replacement.