The reason is usually the construction of the drives. The left and right drives of Skoda Octavia of different lengths, hence different loads. As a result, one of the drives comes into play. The replacement of the internal ShRUS (grenades) is mandatory, as such a luft can lead to a difference of the difference. It is necessary to check if there are any oil in the box. If they are, it's quite possible that the differential has already begun to get out.
