GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 LaCrosse 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Evaporative Emission Canister Replacement

Removal Procedure

    Object Number: 699561 Size: SH

    Important: The fuel tank may need to be partially lowered to gain access to the evaporative emission (EVAP) canister.

  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the EVAP vent hose (6), the EVAP purge pipe (8), and the EVAP vapor pipe (7) from the EVAP canister (1). Refer to Plastic Collar Quick Connect Fitting Service .

    3. Important: Replace the retaining strap when replacing the EVAP canister.

  3. Release the EVAP canister retaining strap.
  4. Remove the EVAP canister (1) from the fuel tank.

Installation Procedure

    Object Number: 699561 Size: SH
  1. Position the EVAP canister (1) on the fuel tank.
  2. Install the new EVAP canister retaining strap.

    3. Notice: 

       • Do not attempt to straighten kinked nylon pipes. Replace any kinked nylon pipes in order to prevent damage to the vehicle.
       • Do not attempt to repair sections of nylon pipes. Replace damaged nylon pipes.
       • Replace the vapor pipes with original equipment or parts that meet GM specifications.
       • Replace the vapor hoses with original equipment or parts meeting GM specifications. Use only reinforced fuel-resistant hose identified with the word Fluoroelastomer or GM 6163M on the hose.

  3. Connect the EVAP vent hose (6), the EVAP purge pipe (8), and the EVAP vapor pipe (7) to the EVAP canister (1). Refer to Plastic Collar Quick Connect Fitting Service .
  4. Install the fuel tank. Refer to Fuel Tank Replacement .