GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 21772  Size: SH
  1. Disconnect the negative battery cable.
  2. Raise the vehicle.
  3. Remove the left side rear wheel housing liner.
  4. Remove the hoses from the EVAP canister. Mark the hoses to ensure correct installation on the new canister.
  5. Release the latch on the canister bracket.
  6. Remove the canister from the canister bracket.
  7. Remove the canister from the vehicle.

Installation Procedure


    Object Number: 32581  Size: SH
  1. Position the canister into the canister bracket, making sure the latch captures the canister.
  2. Connect the emission hoses to the canister. Make sure all the connections are correct.
  3. Install the left side rear wheel housing liner.
  4. Lower the vehicle.
  5. Connect the negative battery cable.

Canister Hoses

Refer to the Vehicle Emission Control Information label for routing of canister hoses. When replacing hoses, use only original equipment manufactured parts.