The box is actually a tractor in idle … Quotation: @V70Bruno wrote on 5 February 2018 at 12:05:06: Safe ? That seems kind of illogical to me The bearings dampen with low pressure depending on the speed and are filled with fluid. If the low pressure holds, the bearing is tight and does what it should – dampen. The dome strut bearings + upper engine bearing (at that time noticeable improvement) + lower engine bearing (torque support) are also changed. e). In addition, there are the sockets in the auxiliary frame … but the vibrations are too strong for that. The behaviour remains mysterious immediately after the start. Directly after the cold start almost zero power, after 30 meters driving then suddenly the normal power starts.