Silverado 1500 4WD V8-6.0L VIN U (2006)
6. Connect the fuel feed and pressure balance lines from the front tank.
7. Install the fuel fill cap.
8. Connect the negative battery cable.
9. Perform 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.
Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis (Crew Cab)
EVAPORATIVE EMISSION (EVAP) HOSES/PIPES REPLACEMENT - CHASSIS (CREW CAB)
REMOVAL PROCEDURE
IMPORTANT: Clean the fuel and evaporative emission (EVAP) connections and surrounding areas prior to disconnecting the fittings 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) fitting at the engine.
3. Disconnect the EVAP canister purge tube (2) fitting.
4. Cap the fuel rail and EVAP lines in order to avoid possible system contamination.
5. Raise and support the vehicle. Refer to Vehicle Lifting.
6. Remove the fuel pipe bracket nut.
7. Remove the fuel pipe bracket from the bellhousing stud.
8. Remove the heated oxygen (HO2S) sensor connector from the bracket.
