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    Audi Ceramic Brakes

    Are this craks on the front Ceramic brake rotors of a 2006 Audi S8 V10 normal.

    The car has 47000 km  and the rear rotors dont have craks.

     

     



    Re: Audi Ceramic Brakes

    IMHO there is nothing wrong. On so called Ceramic Brakes only first few mm of disc are actually Ceramic compound. Discs are made by SGL Carbon in Germany which supplies Porsche and Audi amoung others. I checked with my Audi source and he told me that there is nothing wrong with these brakes. It is "normal" thing on earlie S8...

    Re: Audi Ceramic Brakes

    Hmm correct me if I'm wrong, but I thought that when the cracks on the edges of the holes started to reach the next hole, one should start to worry? At least, that's what I always understood form the pccb stories?

    -Joost-


    --

    Porsche, seperates LeMans from LeBoys

    Re: Audi Ceramic Brakes

    PCCB stories??

    Is this happening  with Porsche too?

     

    c4c 


    Re: Audi Ceramic Brakes

    Well, with the first introduction of ceramic brakes on a porsche, there were some horrifying stories about the short lifespan of the brake disc/pads. If I recall correctly it had something to do with unsufficient cooling capabilities when brakes weren't used properly (I understood it was better for their life to brake hard and short than to brake long and soft). The result was excessive wear, and discussions appeared about when to worry about your brakediscs, and in my memory, one of the indications of wore down brakedsics was cracks running through multiple ventholes.

    Any of the more knowledgeble members here to clarify or to refresh my memory?

    -Joost-


    --

    Porsche, seperates LeMans from LeBoys

    Re: Audi Ceramic Brakes

    You pretty much got it spot on Joost.

     As for the original poster, I will say that with ANY cross drilled disc, it should be replaced if there are cracks that link 3 or more holes. 

     Re: "Is this happening with Porsche too?"  Yes, it happened many years ago when they released the first generation of ceramic discs. 


    --
    Tom

    Re: Audi Ceramic Brakes

    It seams that Audi doesn't care much about the security of their costumers, (my dealer sent photo's and a detailed description and received a reply saying that they don't see any problem) Smiley

    The car is still under warranty, so they are trying to save $$$$. I was quoted 7000 euros + 20% VAT just for the pair of front brake rotors.

     Audi says that the Ceramic Brakes last 4x longer .... longer than what??Smiley

     Don't get me wrong I love my car but this is ridiculous.

     

    c4c 


     
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