Important: When replacing the evaporative emission (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. Clean the pipe connections and the surrounding areas before disconnecting in order to avoid possible contamination of the EVAP system.
2. Disconnect the engine compartment EVAP pipe (2) at the EVAP canister purge solenoid (1).
3. Disconnect the engine compartment EVAP pipe (3) at the chassis EVAP pipe.
4. Remove the EVAP pipe from the engine.
5. Cap the EVAP canister purge solenoid and the chassis EVAP pipe in order to prevent possible EVAP system contamination.

1. Remove the caps from the EVAP canister purge solenoid and the chassis EVAP pipe.
2. Install the EVAP pipe on the engine.
3. Connect the engine compartment EVAP pipe (3) to the chassis EVAP pipe.
4. Connect the engine compartment EVAP pipe (2) to the EVAP canister purge solenoid (1).