Depending on the year of manufacture, the mounting points may differ.
Front bumper
-remove the connectors from the fog lights.
-Unscrew one screw on each side that attaches the bumper to the brackets.
-Unscrew four screws (may be nuts) on each side, which attach the bumper to the spars.
-with an assistant, we pull the bumper forward.
Rear bumper
-snap together the connectors for the license plate lighting.
-(if available) Unscrew the power connector of the trailer device.
-from the bottom side, we Unscrew the nuts that attach the bumper to the body.
-with an assistant, we pull the bumper back.
How to remove the front and rear bumper Ford F-150 (2004-2008)
How to remove the front and rear bumper Ford F-150 (2009-2014)
How to remove front and rear bumper Ford F-Series Super Duty