Depending on the model year and body type of attachment may vary.
Front bumper
-Unscrew the nut and remove the headlight wipers (if any).
-open the hood.
-under the hood take out the six rivets that attach the upper part.
-flat-head screwdriver to hook lining (full lining is not removed, you need to access bolts).
-under the covers, Unscrew the bolts (depending on year and body one or two on each side).
-wrenched the wheel to the side.
-wheel arches weaken one screw on each side.
-(if any) in the bottom part pulls out with two clips (inserted from the bottom up).
-with an assistant, carefully release the latches in the wings.
-pulls the bumper forward (don't want to break the wires).
-remove the connectors from the equipment (if any).
Rear bumper
-open the trunk lid.
-in the trunk remove the battery.
-remove the plastic cover of the rear trunk panel.
-switched antenna connector (if any).
-the plating through the holes, Unscrew the four nuts (look below the nut did not fall, will be hard to get).
-in the wheel wells, Unscrew the screws holding the corners of the bumper (if you have the nuts).
-in the lower part (depending on the locations of the mounts are different), Unscrew the screws, drilled the rivet (if any).
-with an assistant, carefully release the latches in the wings.
-pulls back bumper (don't want to break the wires).
-snap together the connectors of the equipment (if any).
How to remove front and rear bumper Volvo S60, XC60, XC70 (after 2010)