Expedition, Navigator 2006-2007

Removal & Installation


A fuel line disconnect tool is needed for this procedure.

Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

  1. Before servicing the vehicle, refer to the precautions section.
  3. Remove or disconnect the following:

    Negative battery cable

  5. Relieve the fuel system pressure.

    Fuel lines from the fuel filter. Have a drain pan handy to catch any residual fuel once the lines are separated.

  7. On newer models, disconnect the fuel lines from the filter as follows:

    Safety clip from the male hose
    Install and push the fuel line disconnect tool into the female fitting.

  9. Remove or disconnect the following:
    Inspect the fuel lines for any damage after the fuel is finished draining.

    Male and female fittings from the filter

    Fuel filter from the bracket and the retainer, if equipped. Note the direction of the flow arrow so the replacement filter can be installed correctly.

    Click image to see an enlarged view

    Fig. Typical fuel filter mounting along an under-vehicle frame rail



To install:

  1. Install or connect the following:

    Fuel filter into the mounting bracket with the flow arrow pointing in the correct direction
    Fuel lines to the fuel filter. Align and push the male tube into the female fitting until a click is heard. Pull on the fitting to ensure that it is fully engaged, then install the safety clip.

  3. Lower the vehicle to the ground.
    When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 10 miles (16 km) or more to relearn the strategy.

  5. Connect the negative battery cable.