Front bumper
-remove the turn signal under the headlights.
-Unscrew the screws and remove the grille.
-Unscrew the two bolts that attach the bumper to the side members.
-Unscrew the screws in the wheel arches.
Rear bumper
-from the bottom Unscrew the nuts that attach the bumper to the side members.
How to remove front and rear bumper Chevrolet Express (1996-2002)