The Haldex coupling consists of an oil-operated multi-disc clutch, the discs of which are axially compressed as required.
Oil plays a key role here: it is exposed to very high mechanical loads and has to withstand constant high coefficients of friction, torques and pressures throughout the entire drain interval prescribed by the vehicle manufacturer.
Febi is so far the only supplier of these special oils.
Special gear oil for Haldex coupling in VAG vehicles
YELLOW COLOR
Manufacturer Approval:
VW TL 52175-Y
among others used for the following vehicles (4x4):