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Thread: A3 2.0 tdi 58 reg, quattro serious brake issue

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  1. Re: A3 2.0 tdi 58 reg, quattro serious brake issue 
    #11
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    yeh I hear that-and agree-but that would be new hubs all round (-since the abs ring as you say-,and I did notice myself wen working on an 05 8P other week, its built in to hub instead of a ring heat shrunk over hub,)--or would just one of them being kaput cause this issue ???
     
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  2. Re: A3 2.0 tdi 58 reg, quattro serious brake issue 
    #12
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    I saw this problem with the rear hubs / reluctor rings on an 05 golf a few years ago, the reluctor ring had corroded and blistered out from the hub and knocked the ABS sensor tip off. Dangerous stuff when it takes control as you've experienced.
     
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  3. Re: A3 2.0 tdi 58 reg, quattro serious brake issue 
    #13
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    I feel if an abs ring or sensor is wrong it would have its own code/fault. I drove the car on live data, all wheel speeds were running within 1mph of each other and I braked hard...the lights all came on. I looked back at the graph data on scanner and all were reading it seems correct, so the abs wheel sensors it seems are correct.
     
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  4. Re: A3 2.0 tdi 58 reg, quattro serious brake issue 
    #14
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    Except you are seeing human time measured data and not what is actually happening, you/we/me can only comprehend data at the best in pulses of 1Hz, modern braking systems are working in MHz (millions of times per second), something no human can get to grips with. ESP systems respond in millionths of a second, faster than data can be shown on the screen and so fast, your Mk1 human eyeball can't even see. If a signal is spurious and sends a false command in a 1000th of a second, do you think you or VCDS is going to be able to see that? Computerised cars are THE future scandal of human kind.....
    Anthropogenic climate change, the biggest con inflicted on mankind since religion...

    Slava Ukraini
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  5. Re: A3 2.0 tdi 58 reg, quattro serious brake issue 
    #15
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    I thought an update was in order, I wrote to Audi UK, It went to audi, their diagnosis was same as our own scans.....faulty ABS module/ecu. The whole unit replaced FOC. I have to say...all credit to Audi, yes the car was lethal, yes the ecu should have displayed permanent warning lights on the dash or disabled the system and warned of that, the ECU should not control ESP/ABS and create dangerous situations out of ordinary braking but a no quibble repair, Audi listened.
     
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