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

FUEL HOSE/PIPES REPLACEMENT - CHASSIS (CAB/CHASSIS - REAR)

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 (With CH 48027) Fuel Pressure Relief (Without CH 48027).
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.




4. Disconnect the fuel feed and pressure balance lines from the rear tank.
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.

INSTALLATION PROCEDURE




1. Install the rear fuel line bundle.

NOTE: Refer to Fastener Notice.

2. Install the rear fuel line bundle clip nuts.

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.




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.
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.