Fuel Rail: Service and Repair

REMOVAL

WARNING: RELEASE FUEL SYSTEM PRESSURE BEFORE SERVICING FUEL SYSTEM COMPONENTS. SERVICE VEHICLES IN WELL VENTILATED AREAS AND AVOID IGNITION SOURCES. NEVER SMOKE WHILE SERVICING THE VEHICLE.

1. Release fuel system pressure.
2. Disconnect negative cable from auxiliary jumper terminal.

WARNING: WRAP SHOP TOWELS AROUND HOSE TO CATCH ANY GASOLINE SPILLAGE.

3. Disconnect fuel supply tube from rail. Refer to Quick-Connect Fittings.
4. Remove the Intake Manifold, .
5. Disconnect electrical connectors from fuel injectors.

Fig.25 Fuel Rail Attachment:

6. Remove 4 bolts holding fuel rail (Fig. 25).

Fig.26 Fuel Rail Spacers:

7. Lift fuel rail off engine. There are spacers under each fuel rail bolt (Fig. 26).

INSTALLATION
1. Apply a light coating of clean engine oil to the O-ring on the nozzle end of each injector.

CAUTION: Make sure spacers are located under each fuel rail mounting position.

2. Insert fuel injector nozzles into openings in intake manifold. Seat the injectors in place. Tighten fuel rail bolts to 12 Nm (8 ft. lbs.).
3. Attach electrical connectors to fuel injectors.
4. Connect fuel supply tube to fuel rail. Refer to Quick Connect Fittings in the Fuel Delivery .
5. Install Intake Manifold.
6. Install throttle cables.
7. Attach electrical connectors to sensors.
8. Tighten air inlet tube clamps to 3 Nm ± 1 (25 in. lbs. ±5) torque.
9. Connect negative terminal to auxiliary jumper terminal.