Timmyw Posted July 24, 2019 Share Posted July 24, 2019 Hello all i have a a3 3.2 quattro 56 reg dor some reason tha haldex has stopped working also there is a grinding noise from the rear diff does anyone know what diff i need for this car i called audi but they wont tell me anything any help would be great thanks all Quote Link to comment Share on other sites More sharing options...
Southampton Graham Posted July 24, 2019 Share Posted July 24, 2019 Hi Has the haldex been serviced. Check the service record this might give you an idea why it is not working. Service interval on mine is about 38K miles Part number as far as I can see is OAV 525 010K Looks OK on google but just check it out with your model number/Chassis Quote Link to comment Share on other sites More sharing options...
Timmyw Posted July 25, 2019 Author Share Posted July 25, 2019 Ill do that thanks mate is there anywefe i can check if mine has the right diff and haldex as my diff model matches up with the 2.0 tfsi diff ( hyv ) thanks mate Quote Link to comment Share on other sites More sharing options...
Southampton Graham Posted July 26, 2019 Share Posted July 26, 2019 Hi I use 7zap.com for part numbers this is a snip of it and it shows the HVY code you have HYV? Hope this helps Tim Graham Quote Link to comment Share on other sites More sharing options...
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