[EN] Audi TT Haldex Coupling Oil and Filter Replacement

In this video we replace the Haldex Coupling Oil and Filter on an Audi TT equipped with the first-generation coupling using febi Kit 181845. This coupling is also used in other Volkswagen Group vehicles.
The Haldex coupling is an electro-hydraulic system attached to the rear differential which allows the vehicle to switch between front and all-wheel drive as required.
This creates a high degree of friction between metallic components within the system, degrading them over time. Therefore, it is recommended to replace the oil and filter at regular intervals.

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