Depending on the year of manufacture, the mounting points may differ.
Front bumper
-open the hood.
-pull out the pistons and remove the engine protection.
-from the bottom side, we Unscrew the screws and pull out the pistons that attach the lower part of the bumper.
-Unscrew the screws in the wheel arches that attach the undercarriage.
-Unscrew two screws on each side that attach the corners of the bumper to the fenders.
-release the retainers opposite the radiator and under the headlights.
-with an assistant, we pull the bumper forward (look for the wires).
-disconnect the connectors from the fog lights.
Rear bumper
-open the trunk lid.
-in the opening of the trunk, we pull out two pistons and remove the lining.
-under the cover, we Unscrew the screws and pull out the pistons that attach the upper part.
-Unscrew the screws in the wheel arches.
-from the bottom side, we Unscrew the screws, pull out the pistons.
-Unscrew the nuts on the bottom side, which attach the sides to the wings.
-disconnect the electrical equipment connectors (if any).
-with an assistant, we pull the bumper back.
How to remove the front and rear bumper Lincoln Navigator (1998-2002)
How to remove the front and rear bumper Lincoln Navigator (2007-2017)