Remove paint from the damaged surface. Using a metal brush, clear the showered rust from the surface of the bared metal of the damaged area. Process the damaged area rust solvent according to the instruction applied on medicine packing. Protect an opening from a rust or a hole the metal gauze or a strip of aluminum foil. Cut out the piece of a grid corresponding to an opening form, enclose it in an opening so that its edges did not act over the level of the panel surrounding an opening. Fix it by means of several lumps of shpatlevochny paste on perimeter. The suitable tool level the ends of a grid so that it densely adjoined to body metal. Further carry out filling, painting and polishing of the damaged site of a body.