Sierra 1500 4WD V8-5.3L VIN Z Flex Fuel (2005)
Evaporative Emissions Hose: Service and Repair
Evaporative Emission (EVAP) Hoses/Pipes Replacement - Engine
EVAPORATIVE EMISSION (EVAP) HOSES/PIPES REPLACEMENT - ENGINE
REMOVAL PROCEDURE
IMPORTANT: Clean the evaporative emission (EVAP) line connections and surrounding areas prior to disconnecting the fittings in order to avoid
possible system contamination.
1. Remove the engine sight shield.
2. Disconnect the EVAP tube from the EVAP canister purge solenoid (1).
1. Push the large side white retainer portion in.
2. Push down, while pulling up slightly in order to disengage the tube.
3. Disconnect the EVAP tube from the chassis EVAP pipe (2).
1. Push the large side white retainer portion in.
2. Push down, while pulling up slightly in order to disengage the tube.
4. Remove the EVAP tube.
5. Cap the EVAP canister purge solenoid and EVAP chassis pipe in order to prevent possible EVAP system contamination.
INSTALLATION PROCEDURE
1. Remove the caps from the EVAP canister purge solenoid and EVAP chassis pipe.
2. Install the EVAP tube.
3. Connect the EVAP tube to the EVAP chassis pipe (2).
4. Connect the EVAP tube to the EVAP purge solenoid (1).
5. Install the engine sight shield.
