Ford 2L1Z-9155-AA Filter Assembly - Fuel

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This procedure requires a special fuel line disconnect tool which is available at most auto part stores. The fuel filter is mounted under the vehicle on the inside of the left frame rail. On later Expedition/Navigator models, there is a plastic protective cover over the fuel filter; twist the fasteners one-quarter turn counterclockwise to remove the cover. Inspect the hose fittings at both ends of the filter to see if they're clean. If more than a light coating of dust is present, clean the fittings before proceeding. Relieve the fuel system pressure. Removal of the fuel lines from the fuel filter is a two-stage procedure. First, detach the safety clips from the inlet and outlet lines. Second install the special fuel line disconnect tool onto the fuel filter inlet port, then push the disconnect tool into the fuel line coupling until it releases itself from the fuel filter. Repeat this procedure on the outlet port. After both couplings have been released, grasp the fuel hoses, one at a time, and pull them straight off the filter. Be prepared for fuel spillage. After the hoses have been detached, check the clips for damage and distortion. If they were damaged in any way during removal, new ones must be used when the hoses are reattached to the new filter. Use a screwdriver to loosen the fuel filter mounting clamp, while noting the direction the fuel filter is installed. Remove the filter from the bracket and install the new fuel filter in the same direction. Carefully push each hose onto the filter until it's seated against the collar on the fitting, then install the clips. Make sure the clips are securely attached to the hose fittings - if they come off, the hoses could back off the filter and a fire could result! Start the engine and check for fuel leaks.