Front bumper
The bumper is removed with the amplifier.
-open the hood.
-under the hood, remove the connectors, release from the latches and remove the grille.
-remove the fenders (if any).
-remove the connectors from the fog lights (if any).
-unscrew the screws (indicated on the diagram) that attach the amplifier to the body.
-with an assistant, pull the bumper forward.
Rear bumper
The bumper is removed with the amplifier.
-release the connectors of electrical equipment (if any).
-unscrew the four screws that secure the bumper amplifier to the body.
-with an assistant, pull the bumper back.
Chevrolet Colorado (2015-2022) how to remove bumpers.