Fuel Rail: Service and Repair

REMOVAL
1. Release fuel pressure.
2. Disconnect the negative battery cable.
3. Remove the upper intake manifold.
4. If the injector connectors are not tagged with their cylinder number, tag them to identify the correct cylinder.

Fuel Line Quick Connector:

5. Disconnect the fuel supply line from the fuel rail.

Fuel Rail:

6. Remove the 4 mounting bolts from the fuel rail.
7. Lift fuel rail straight up off of cylinder head.
8. Remove retaining clips from fuel injectors at fuel rail.
9. Remove fuel injector from fuel rail.

INSTALLATION

Fuel Injector O-ring:

1. Lightly lubricate the fuel injector O-rings with a couple drops of clean engine oil.
2. Install retaining clips on fuel injectors.

Installing Fuel Injector:

3. Push injectors into fuel injector rail until clips are in the correct position.
4. Position fuel rail over cylinder heads, and push rail into place. Tighten fuel rail mounting bolts to 28 N.m (250 in. lbs.) torque.

Fuel Line Quick Connector:

5. Connect the fuel supply tube quick connect fitting to the fuel rail.

Fuel Rail:

6. Connect and lock the electrical connectors to the fuel injectors.
7. Install intake manifold plenum.
8. Connect negative cable to battery.