Depending on the year of manufacture, the mounting points may differ.
Front bumper
-open the hood.
-under the hood, we Unscrew six screws that attach the radiator grille and the upper part of the bumper.
-in the wheel arches, we Unscrew the screws and pull out the pistons that attach the slats (the front part).
-remove the connectors from the fog lights.
-from the bottom side, we Unscrew one screw on each side (twisted from the engine side), which attach the bumper to the brackets.
-release the latches in the wings (pull the corners on themselves).
-with an assistant, we pull the bumper forward.
Rear bumper
-open the trunk lid.
-in the opening of the trunk, we pull out six pistons.
-from the bottom side, we Unscrew two screws.
-in the wheel arches, we Unscrew the screws and pull out the pistons that attach the slats (the rear part).
-release the latches in the fenders (pull the corners of the bumper on themselves).
-with an assistant, we pull the bumper back (look for the wires).
-snap together the connectors of the sensors.
How to remove front and rear bumper GMC Yukon (2000-2006)