Audi area: Audi TT DIY Changing the TT's Haldex Fluid and ... (Ronnie Hansen) Your transmission oil plays a vital role as both a lubricant and coolant. I have the fear of doing it myself after reading the thread where the guy did it and experienced grinding so I am no looking into having a dealership do it. All the expertise of Audi, without any extra cost.* Terms and conditions.
I have the fear of doing it myself after reading the thread where the guy did it and experienced grinding so I am no looking into having a dealership do it.
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If you have this type of AWD, it requires a certain type of fluid and filters - called Haldex fluid or a Haldex filter, which helps clean the fluid. The Haldex coupling is a multi-plate, wet clutch system that engages upon slip and transfers power to the rear final drive. The Quattro TT's rear drive-train consists of two components; the Haldex Coupling, and the Rear Final Drive.
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