Depending on the year of manufacture, the mounting points may differ.
Front bumper
-open the hood.
-under the hood, we pull out five pistons that attach the upper part.
-turn the wheels out of the way.
-in the wheel arches, we Unscrew the screws that fasten the undercarriage (the front part).
-we take the slats aside and Unscrew two screws on each side (twisted from the bottom up), which attach the corners of the bumper to the fenders.
-from the bottom side, pull out the pistons and Unscrew the screws that attach the lower part.
-with an assistant, we pull the bumper forward (look for the wires).
-remove the connector from the fog lights (if present).
Rear bumper
-open the trunk lid.
-in the opening of the trunk, we pull out four pistons that attach the upper part.
-we're removing the trunk linings.
-Unscrew the nuts and remove the rear lights.
-from the trunk, we Unscrew the screws and nuts in the fenders and under the tail lights.
-Unscrew the screws on the bottom side.
-in the wheel arches, we Unscrew the screws that attach the undercarriage.
-behind the slats, we Unscrew one screw on each side, which attaches the corners of the bumper to the fenders.
-with an assistant, we pull the bumper back (look for the wires).
-remove connectors from electrical equipment.
How to remove the front and rear bumper Pontiac Grand Am (1999-2005)
How to remove the front and rear bumper Pontiac Grand Prix (1996-2003)