Section 10-01B: Fuel Tank, Filters, Tubes and Fuel Pump, Diesel Engine
1996 F-Series and F-Super Duty Vehicles Equipped with Diesel Engines Workshop Manual
REMOVAL AND INSTALLATION

Fuel/Water Separator

Removal

 WARNING: SMOKING OR OPEN FLAME OF ANY TYPE MUST NOT BE PRESENT WHEN WORKING NEAR FUEL OR FUEL VAPOR.

 CAUTION: The fuel system contains pressurized fuel after the vehicle is shut down and will maintain this pressure for a long period of time.

  1. Place an appropriate container under the fuel/water drain hose. Open the fuel filter/water separator drain valve to release the fuel pressure. Completely drain the fuel filter/water separator assembly.

  1. Loosen marmon clamp and two clamps. Remove the compressor manifold.

  1. Disconnect the two fuel lines at the fuel pressure regulator.

  1. Disconnect the fuel/water drain hose.

  1. Disconnect and position the fuel filter/water separator harness electrical connector aside.

  1. Remove the cover. Disconnect the fuel outlet hose between the fuel pump and fuel filter/water separator assembly.

  1. Disconnect the fuel return hose at the fuel pressure regulator valve.

  1. Remove and discard the hose clamp at the high-pressure stage of the fuel pump.

  1. Remove two bolts at the back of the fuel filter/water separator assembly. Disconnect the hose connecting fuel filter/water separator assembly to high-pressure stage of the fuel of the fuel pump. Remove the fuel filter/water separator assembly.

Installation

  1.  WARNING: CLEAN ALL THE FUEL RESIDUE FROM THE ENGINE COMPARTMENT. FAILURE TO DO SO CAN CAUSE PERSONAL INJURY OR DAMAGE TO THE VEHICLE.

    To install, reverse the removal procedure. Tighten the fuel filter assembly mounting bolts to 33-55 Nm (24-38 lb-ft).