Depending on the model year and body type of attachment are different.
Front bumper
-open the hood.
-under the hood, Unscrew the four screws (spun down).
-Unscrew the four screws around the perimeter of the bottom (spun up).
-wrenched the wheel to the side.
-wheel arches Unscrew three screws on each side and removed the wheel arches (the front part).
-attach the fender liner to the side and Unscrew two screws on each side holding the bumper corners to the wings.
-pulls the bumper forward (look for wires).
-snap together the connectors with electrical equipment (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk, Unscrew the screws.
-(station wagon) remove rear lights and Unscrew the screws under them.
-from the bottom Unscrew the screws that attach the lower part.
-in the wheel wells, Unscrew the screws and peel the fender liner (rear part).
-for wheel arch liners Unscrew two screws on each side holding the bumper corners to the wings.
-with the assistant pulls the bumper backwards (look for wires).
-snap together the connectors of the equipment (if any).