Fuel Rail: Service and Repair

REMOVAL PROCEDURE
1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure.

CAUTION: Refer to Battery Disconnect Caution in Service Precautions.

2. Disconnect the negative battery cable.
3. Remove the air cleaner outlet resonator.
4. Remove the air cleaner resonator bracket (1).
5. Remove the fuel injector electrical connectors by pushing in the wire connector clip and pulling the electrical connector away from the fuel injector.
6. Remove the fuel feed inlet pipe quick connect.
7. Remove the fuel return pipe from the fuel pressure regulator.
8. Remove the fuel rail attaching bolts.
9. Remove the fuel rail assembly from the cylinder head.

INSTALLATION PROCEDURE
1. Lubricate the O-rings on the fuel injectors with clean engine oil.
2. Insert the fuel rail into the cylinder head.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the fuel rail attaching bolts.

Tighten
Tighten the fuel rail attaching bolts to 24 N.m (18 lbs ft).

4. Install the fuel feed inlet pipe quick connect.
5. Install the fuel return pipe to the fuel pressure regulator.

Tighten
Tighten the fuel return pipe attaching nut to 30 N.m (22 lb ft).

6. Install the fuel injector electrical connectors.
7. Install the fuel rail bracket (1).

Tighten
7.1. Tighten the fuel rail bracket nut (4) to 10 N.m (89 lbs in).
7.2. Tighten the fuel rail bracket nut (3) to 25 N.m (18 lbs ft).
7.3. Tighten the fuel rail bracket bolt (2) to 25 N.m (18 lbs ft).

8. Connect the negative battery cable.
9. Inspect for fuel leaks through the following steps:
9.1. Turn the ignition switch to the ON position for two seconds.
9.2. Turn the ignition switch to the OFF position for ten seconds.
9.3. Turn the ignition switch to the ON position.
9.4. Check for fuel leaks.