Fuel Feed Pipe Replacement

Fuel Feed Pipe Replacement

Removal Procedure




1. Remove the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) (Service and Repair)Water Outlet Tube Replacement (LMM) (Service and Repair).
2. Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement (Intake Manifold Tube Replacement).
3. Remove the generator. Refer to Generator Replacement (V6) (Service and Repair)Generator Replacement (V8) (Service and Repair)Generator Replacement (6.6L) (Service and Repair).
4. Disconnect the chassis fuel feed pipe quick connect fitting from the fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
5. Disconnect the engine wiring harness electrical connectors (1) from the engine coolant temperature (ECT) sensors, and reposition the wiring out of the way.




6. Reposition the fuel filter hose clamp (2) at the fuel feed pipe.




7. Remove the fuel filter hose (2) from the fuel feed pipe.




8. Reposition the fuel hose clamp (2) at the fuel injection pump.
9. Remove the fuel hose (1) from the injection pump and reposition the hose out of the way.




10. Remove the fuel feed pipe clip nuts (1 and 2) and bolt (3).




11. Remove the fuel pipe bracket bolt (1) and fuel feed pipe clip (2).





Note: Note the routing of the fuel feed pipe under the engine wiring harness.

12. Remove the fuel feed pipe.

Installation Procedure





Note: Ensure to route the fuel feed pipe under the engine wiring harness as noted during removal.

1. Position and install the fuel feed pipe to the engine.





Caution: Refer to Fastener Caution (Fastener Caution).

2. Position fuel feed pipe clip (2) behind the fuel pipe bracket and install the bolt (1).

Tighten the bolt to 24 Nm (18 lb ft).




3. Install the fuel feed pipe clip nuts (1 and 2) and bolt (3).

Tighten the bolt/nuts to 24 Nm (18 lb ft).




4. Position the fuel hose and install the hose (1) to the injection pump.
5. Position the fuel hose clamp (2) at the fuel injection pump.




6. Install the fuel filter hose (2) to the fuel feed pipe.




7. Position the fuel filter hose clamp (2) at the fuel feed pipe.




8. Position the engine wiring harness and connect the engine wiring harness electrical connectors (1) to the ECT sensors.
9. Connect the chassis fuel feed pipe quick connect fitting to the fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
10. Install the generator. Refer to Generator Replacement (V6) (Service and Repair)Generator Replacement (V8) (Service and Repair)Generator Replacement (6.6L) (Service and Repair).
11. Install the intake manifold tube. Refer to Intake Manifold Tube Replacement (Intake Manifold Tube Replacement).
12. Install the water outlet tube. Refer to Water Outlet Tube Replacement (LU3) (Service and Repair)Water Outlet Tube Replacement (LMM) (Service and Repair).
13. Prime the fuel system. Refer to Fuel System Priming (Fuel System Priming).
14. Start the engine. If the engine stalls, repeat the above step.
15. Once the engine starts, inspect for fuel leaks.