At first to release a sealant, dismantling in need of a body detail. Then remove a doorway sealant from a flange. The new sealant is filled on aperture radius edges so that between radiuses there was a surplus of a sealant, small on length, after that fill a sealant on sites between radiuses. Stuffing of a sealant is made the rubber hammer or a hand, without applying strong blows. After installation to establish the details removed earlier on a body.