C 3500 Truck 2WD V8-6.0L VIN U (2001)
Evaporative Emissions Hose: Service and Repair
Engine Compartment EVAP Pipe Removal Procedure
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.
