EVAP Vent Pipe Removal Procedure

IMPORTANT: When replacing the EVAP pipe, always replace the pipe with original equipment or parts that meet the GM specifications for this part. The replacement pipe must have the same type of fittings as the original pipe in order to ensure the integrity of the connection.




1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
2. Clean all the EVAP pipe connections and the surrounding areas before disconnecting in order to avoid possible contamination of the EVAP system.
3. Disconnect the EVAP vent pipe (4) at the EVAP canister.
4. Disconnect the EVAP vent pipe at the EVAP vent valve (2).
5. Remove the EVAP vent pipe from the mounting clips (1).
6. Cap the EVAP vent valve and the EVAP canister in order to prevent possible EVAP system contamination.