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. Disconnect negative cable from battery.

Fuel Rail And Injectors:

2. Remove the fresh air inlet duct from air cleaner.
3. Perform fuel system pressure release procedure before attempting any repairs.

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

4. Disconnect fuel supply line quick connect at the fuel tube assembly.
5. Remove fuel rail assembly attaching screws and remove fuel rail assembly from engine. Cover injector holes with suitable covering.

CAUTION: Do not set fuel injectors on their tips, damage may occur to the injectors.

INSTALLATION
1. Inspect quick connect fittings for damage, replace if necessary Refer to the Fuel System for procedure. Apply a light amount of clean engine oil to fuel inlet tube. Connect fuel supply hose to fuel rail assembly. Check connection by pulling on connector to insure it locked into position.
2. Remove covering from fuel injector holes and insure the holes are clean. Install fuel rail assembly to intake manifold. Tighten screws to 23 N.m (200 in. lbs.).
3. Install clean air duct to air filter housing. Tighten clamp to 3 N.m (30 in. lbs.).
4. Connect negative cable to battery.
5. With the DRB scan tool use ASD Fuel System Test to pressurize system to check for leaks.

CAUTION: When using the ASD Fuel System Test, the Auto Shutdown (ASD) relay will remain energized for 7 minutes or until the ignition switch is turned to the OFF position, or Stop All Test is selected.