Fuel Pressure Release: Service and Repair

Special Tools:

Fuel System Pressure Release - 4.0L

WARNING: The spilling of fuel is unavoidable during this operation. Ensure that all necessary precautions are taken to prevent fire and explosion.

1. Disconnect the battery ground cable.
2. Remove the engine cover.
3. Release the clip and disconnect the purge line.





4. Remove the fuel rail Schrader valve cap.
5. Install the special tool to the fuel rail Schrader valve.

WARNING:
^ Do not carry or operate cellular phones when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.
^ Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable vapors are always present and may ignite. Failure to follow these instructions may result in personal injury.

6. Open the valve on the special tool, release the fuel pressure and allow the fuel to drain into a container.
7. Close the special tool valve.





8. Remove the special tool from the Schrader valve.
^ Remove the container.

9. Install the Schrader valve cap.
10. Connect the purge line.
^ Clean the component mating faces.

11. Install the engine cover.
12. Connect the battery ground cable.