Depending on the year of manufacture, the mounting points may differ slightly.

Front bumper

-open the hood.

-under the hood, pull out the pistons and remove the trim (if present).

-Unscrew six screws and pull out two pistons that attach the top part.

-Unscrew the two screws (screwed from the bottom up) that attach the lower part of the bumper.

-turn the wheels out of the way.

-in the wheel arches and from the bottom side, we Unscrew the screws that attach the undercarriage (the front part).

-(if available) release the fender linings from the bumper (held on latches).

-Unscrew one screw on each side (twisted from the bottom up), which attach the corners of the bumper to the fenders.

-with an assistant, we release the latches in the wings (we pull the corners on ourselves).

-pull the bumper forward from the rails in the fenders (look for the wires).

-disconnect the electrical equipment connectors (if any).

GMC Acadia front bumper mounting diagram

 

Rear bumper

⇒Tips for removing bumpers and how to avoid breaking anything..⇐

-open the trunk lid.

-in the opening of the trunk, we pull out the caps and Unscrew the screws.

-in the wheel arches, we Unscrew the screws that attach the undercarriage.

-(if available) release the fender linings from the bumper (held on latches).

-Unscrew the screws on the bottom side.

-behind the wing flaps, we Unscrew the screws (screwed from the bottom up) that attach the corners to the wings.

-release the latches in the fenders (pull the corners of the bumper on themselves).

-with the assistant carefully pull the bumper back (look for the wires).

-disconnect the electrical equipment connectors (if any).

GMC Acadia rear bumper mounting diagram