Sierra 1500 4WD V8-5.3L VIN B HO (2006)
17. Lower the vehicle.
18. Remove the caps from the fuel rail and EVAP line.
19. Connect the fuel feed line (1) at the engine.
20. Connect the EVAP canister purge tube line (2).
21. Install the fuel fill cap.
22. Connect the negative battery cable.
23. Use the following procedure in order to inspect for leaks:
1. Turn the ignition ON, with the engine OFF, for 2 seconds.
2. Turn the ignition OFF for 10 seconds.
3. Turn the ignition ON, with the engine OFF.
4. Inspect for fuel leaks.
Fuel Hose/Pipes Replacement - Chassis (Cab/Chassis - Front)
FUEL HOSE/PIPES REPLACEMENT - CHASSIS (CAB/CHASSIS - FRONT)
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 line (1) at the engine.
3. Disconnect the EVAP canister purge tube line (2).
4. Cap the fuel rail in order to avoid possible system contamination.
5. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
