Removal and Installation
WARNING: This page is about a different car, the 2003 Ford Econoline, 2003 Ford E550 Super Duty, and 2003 Ford E450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
The fuel system will remain pressurized after engine shutdown. This pressure must be relieved before servicing any part of the fuel system, or personal injury or property damage may result.
WARNING:
Eye protection is required when removing or installing fuel system components to avoid possible injury.
- Carry out the Pressure Relief - Fuel System. For additional information, refer to FUEL SYSTEM-GENERAL INFORMATION-NATURAL GAS .
- Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
- Raise the vehicle.
- Disconnect the fuel inlet and outlet lines from the fuel coalescer/filter.
- Remove the bolts and remove the coalescer/filter.
- Remove the positional fittings from the coalescer.
NOTE: Install new fuel system O-ring seals using approved O-ring seals only. O-ring seals that are approved for natural gas use are identified with a yellow stripe.NOTE: Lubricate the fuel system O-ring seals with Super Premium SAE 5W-20 Motor Oil XO-5W20-QSP or equivalent meeting Ford specification WSS-M2C153-H or equivalent prior to installation to help seal and ease the installation.NOTE: When tightening the fuel lines, a torque wrench adapter must be used with the torque wrench. The use of a torque wrench adapter will alter the effective torque of the torque wrench being used. To correct the effective torque, a torque multiplication conversion must be used. For additional information, refer to FUEL SYSTEM-GENERAL INFORMATION-NATURAL GAS .NOTE: After installation is complete, carry out the Fuel System Leak Test procedure. For additional information, refer to FUEL SYSTEM-GENERAL INFORMATION-NATURAL GAS .
- To install, reverse the removal procedure.