Fuel Hose/Pipes Replacement - Chassis Cab/Chassis - Rear

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 .
2. Disconnect the fuel feed and pressure balance lines from the front tank. Refer to Metal Collar Quick Connect Fitting Service .
3. Cap the fuel and balance lines at the fuel tank in order to avoid possible system contamination.



4. Disconnect the fuel feed and pressure balance lines from the rear tank. Refer to Metal Collar Quick Connect Fitting Service .
5. Cap the fuel and balance lines at the fuel tank in order to avoid possible system contamination.



6. Remove the rear fuel line bundle clip nuts.
7. Remove the rear fuel line bundle.

Notice: Refer to Fastener Notice in the Preface section.




1. Install the rear fuel line bundle.
2. Install the rear fuel line bundle clip nuts.

Tighten
Tighten the nuts to 12 N·m (106 lb in).




3. Remove the caps from the fuel and balance lines at the fuel tank.
4. Connect the fuel feed and pressure balance lines to the rear tank. Refer to Metal Collar Quick Connect Fitting Service .



5. Remove the caps from the fuel and balance lines at the fuel tank.
6. Connect the fuel feed and pressure balance lines to the front tank. Refer to Metal Collar Quick Connect Fitting Service .
7. Install the fuel fill cap.
8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
9. Perform the following procedure in order to inspect for leaks.

9.1.	Turn the ignition ON, with the engine OFF, for 2 seconds.

9.2.	Turn the ignition OFF for 10 seconds.

9.3.	Turn the ignition ON, with the engine OFF.

9.4.	Inspect for fuel leaks.