Depending on the year of release of the attachment can vary.

Front bumper

 

-open the hood.

-under the hood take out the five rivets that attach the upper part.

-wrenched the wheel to the side.

-wheel arches pulled three pistons on each side that attach the fender liner (front part).

-move the wing flaps to the side and Unscrew one nut and one screw on each side holding the bumper corners to the wings.

-take out the five rivets that attach the lower part.

-with the assistant pulls the bumper (look for wires).

-snap together the connectors of the equipment (if any).

the attachment of the front bumper Pontiac Bonneville (2000-2005)

The scheme of fastening of the front bumper Pontiac Bonneville (2000-2005)

 

 

Rear bumper

 

-open the trunk lid.

-in the trunk and remove the rear side trim.

-the side casings (inside the wings) Unscrew the nuts that attach the sides of the bumper.

-Unscrew the nuts that attach the bumper to the back panel (take out the caps in the opening of the trunk).

-Unscrew the screws from the bottom.

-wheel arches take out the rivets that attach the fender liner.

-for wheel arch liners Unscrew the nuts that attach the corners of the bumper to the wings.

-with the assistant gently pulls the bumper (look for wires).

-snap together the connectors for the license plate lighting.

the attachment of the rear bumper Pontiac Bonneville (2000-2005)

Diagram of rear bumper Pontiac Bonneville (2000-2005)

 

How to remove front and rear bumper Pontiac Bonneville (1992-1999)