The bumper is subject to mechanical stress, therefore, scratches, cracks and dents, as well as breakdowns and fractures often appear on it. For repair, the bumper is usually dismantled. If necessary, remove dirt and cover it with a protective film so as to mark the area for repair. On the damaged area, the following operations are carried out: removing paint and varnish, welding, reinforcement of plastic from the inside with an additional weld, restoration of geometry - filling, sanding and applying primer, polishing and mounting the bumper on brackets and fasteners, painting.