Fuel Injection Fuel Rail Crossover Tube Replacement

Fuel Injection Fuel Rail Crossover Tube Replacement (LLT) (3.6L)

Removal Procedure

1. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).
2. Remove the high pressure pump shield. Refer to Fuel Pipe Shield Replacement (Service and Repair).
3. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (With CH-48027) (Fuel Pressure Relief (With CH-48027))Fuel Pressure Relief (Without CH-48027) (Fuel Pressure Relief (Without CH-48027)).
4. Remove the intake manifold. Refer to Intake Manifold Replacement (Service and Repair).




5. Loosen the fuel rail crossover pipe (1) fitting to the right fuel rail (2).
6. Loosen the fuel rail crossover pipe (1) fitting to the right fuel rail (3).
7. Remove the fuel rail crossover pipe (1) from the vehicle. Discard the pipe.

Installation Procedure

1. Ensure that the fuel rail crossover pipe, right fuel rails fittings and left fuel rail fittings are clean and dry prior to assembly.




2. Position the fuel rail crossover pipe (1) to the right fuel rails fitting (2) and left fuel rail fitting (3).

Caution: Refer to Fastener Caution (Fastener Caution)

3. Tighten the fuel rail crossover pipe fittings.

1. Tighten the fittings first pass to16 Nm (12 lb ft).
2. Tighten the fittings final pass to 32 Nm (24 lb ft).

Note: If a fuel leak accrues at the right fuel rail fitting (2) or left fuel rail fitting (3), that component will need to be replaced.

4. Inspect for leaks using the following procedure:

1. Turn ON the ignition, with the engine OFF for 2 seconds.
2. Turn OFF the ignition, for 10 seconds.
3. Turn ON the ignition, with the engine OFF.
4. Inspect for fuel leaks.

5. Install the low side fuel pressure service port cap.
6. Install the fuel tank cap.
7. Install the intake manifold. Refer to Intake Manifold Replacement (Service and Repair).
8. Install the high pressure pump shield. Refer to Fuel Pipe Shield Replacement (Service and Repair).
9. Install the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (Service and Repair).