Restoring leaking and not leaking gazoballonnyj struts shock absorbers to the factory characteristics of the technology of the manufacturer,without portable recovery,pumping gas,adding oil,changing the oil ,control the level of gas pressure .the cost to remove auto-retrieve and put 1piece from 1500 to 2500 .Recovery is already taken амортизаторов1шт 600rub.Time to recover gazoballonnyj shock, cheaper than buying a new one.