Febi Transmission Mounting for selected Volvo vehicles. What colour is oil?. In the vast majority of cases, there is no need to flush the engine and flushing can be harmful. What can happen is the flush can loosen harmless deposits in the engine, but then not remove them.
The FeBi Bilstein Transmission Mounting is ideal for anyone looking for an OE-matching quality upgrade to fit Volvo's 15789 transmission.