Sierra 2500 2WD V8-6.0L VIN U (2004)
19. Remove the caps from the fuel rail and EVAP lines.
20. Connect the EVAP canister purge tube (2) fitting.
21. Connect the fuel feed line (1) fitting at the engine.
22. Install the fuel fill cap.
23. Connect the negative battery cable.
24. Use the following procedure in order to inspect for leaks:
24.1. Turn the ignition ON, with the engine OFF, for 2 seconds.
24.2. Turn the ignition OFF for 10 seconds.
24.3. Turn the ignition ON, with the engine OFF.
24.4. Inspect for fuel leaks.
EVAP Hoses/Pipes Replacement - Chassis (Cab/Chassis)
EVAPORATIVE EMISSION (EVAP) HOSES/PIPES REPLACEMENT - CHASSIS (CAB/CHASSIS)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the lines in order to avoid
possible system contamination.
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
2. Disconnect the fuel feed and pressure balance lines from the front tank.
3. Cap the fuel and balance lines at the fuel tank in order to avoid possible system contamination.
