Fuel Hose/Pipes Replacement (Engine Compartment)

REMOVAL PROCEDURE





CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.
3. Disconnect the fuel hoses at the rear of intake manifold.
4. Remove the air cleaner assembly.




5. Remove the injector fuel inlet and outlet pipe retainer nuts.
6. Remove the injector fuel inlet and the outlet pipe retainer.




7. Remove the rear fuel pipe bracket retaining bolt.




8. Pull straight up on the fuel pipe in order to remove the fuel pipes from the injector assembly.
9. Remove the O-ring seals from both ends of the fuel feed and return pipes.
10. Discard the O-ring seals.

INSTALLATION PROCEDURE




1. Assemble the new O-rings into the inlet and outlet of the fuel injector assembly.

CAUTION: Always apply a few drops of clean engine oil to the male pipe ends before connecting fuel pipe fittings in order to reduce the risk of fire and personal injury.

This will ensure proper reconnection and prevent a possible fuel leak.

During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.

2. Apply a few drops of clean engine oil to the male tube ends.
3. Install the fuel feed and return pipes to the fuel assembly.




4. Install the fuel pipe retainer and the attaching nuts.
Once installed, pull on both ends of each connection in order to make sure they are secure.

NOTE: Refer to Fastener Notice in Service Precautions.

5. Install the rear fuel pipe bracket retaining bolt.

Tighten
5.1. Tighten the rear fuel line bracket bolt to 6.0 N.m (53 lb in).
5.2. Tighten the fuel pipe retainer nuts to 3.0 N.m (27 lb in).




6. Install the new O-ring seals on the engine fuel feed and the return pipes.
7. Install the fuel feed and return lines to the engine fuel pipes.

Tighten
Tighten the fuel pipe nuts to 30.0 N.m (22 lb ft).

8. Inspect for fuel leak through the following steps:
8.1. Temporarily connect the negative battery cable.
8.2. Turn ON the ignition switch for 2 seconds.
8.3. Turn the ignition switch to the OFF position for 10 seconds.
8.4. Again, turn the ignition switch to the ON position.
8.5. Check for fuel leaks.
8.6. Disconnect the negative battery cable.
9. Tighten the fuel filler cap.
10. Install the air cleaner assembly.
11. Connect the negative battery cable.