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

Front bumper

To remove the front bumper, you do not need to remove the radiator grille.

-open the hood.

-under the hood, pull out the pistons and remove the trim above the radiator grille.

-in the wheel arches, we Unscrew two screws on each side and remove the plastic cover (the upper part of the bumper). It is held on latches in the fenders, under the headlights and under the radiator grille (we take the edges and gently pull on ourselves).

-behind the radiator grille, we Unscrew two screws (twisted from top to bottom) that attach the bumper to the body (you need a long collar).

-Unscrew one screw on each side, which attaches the sides of the bumper to the brackets.

-remove the connectors from the fog lights.

-with an assistant, we pull the bumper forward.

front bumper mounting points for GMC Sierra (2007-2015)

GMC Sierra front bumper mounting scheme (2007-2015)

GMC Sierra front bumper mounting scheme (2007-2015)

 

 

Rear bumper

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

-pull out the license plate lights and remove the connectors.

-from the bottom side, we Unscrew the screws that attach the bumper brackets to the body.

-with an assistant, we pull the bumper back.

 Rear bumper mounting diagram for GMC Sierra (2007-2015)

 

How to remove front and rear bumper GMC Sierra (1999-2007)