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S4 Discs and Ceramic Pads

magrillz Jul 18, 2014

  1. magrillz

    magrillz Member

    Hi All,

    I recently bought my new pride and joy (Audi S4) and soon realised the front pads desperately needed replacing (95% worn), the discs were advised as well they were quite lipped. Just after being told this the brake light came on.
    When I bought the car I noticed the hub of the discs both front and rear were quite rusty which really annoyed me as the car is pretty much mint and the wheels in good condition. I’m sure most people wouldn’t notice but when it’s your own car you notice these things don’t you.

    Anyway….decided to swap all discs and pads out and use a VW/Audi specialist based in Warwickshire as I will be using them for servicing going forward. Company is called Vastec and I was very happy with the service from them in case anyone nearby is looking for a good indi.

    Went for Zimmerman Discs on the front with anti-rust clear coating and Brembo discs on the back which have more of a shiny grey paint/hammerite finish. Apparently Zimmerman don’t do discs for the back but garage recommended sticking with Zimmermans on the front.

    For the pads I have gone for something a little different or at least something I have never come across before. I have decided to try some Hawk Performance Ceramic Pads. These supposedly give off very little break dust but still offer excellent performance.
    Ceramic Brake Pads | Hawk Performance Ceramic Brake Pads
    I ordered these through Cambridge Motorsport as I believe the pads are imported from the USA. Received very good service and would recommend.
    Cambridge Motorsport Parts

    So far so good, the discs and pads had the proper bed in process as per hawk performances recommendation and I’ve done a few hundred miles now so beaded in quite nicely. There’s no squeaking and the pads seem very quiet. I had a pair of ferodos on my 350z previously which seemed a bit louder than the stock Nissans. Time will tell if either discs start to rust but hopefully not. I washed the car on Saturday and have done my usual driving since. The brake dust does seem very minimal but not sure if that’s because the weather has been dry or me just wanting to believe they are working their magic.

    Performance wise I think they have slightly better feel than the original setup which I felt could be a bit snatchy on initial bite but having said that the pads turned out to be at the end of their life so not sure that would have helped. Overall stopping performance seems excellent but not really given the car any prolonged spirited driving sessions unfortunately. Will report back when I eventually get the chance to go on a decent drive.

    Anyway I just thought this might help when you eventually come to do your pads and potentially discs.

    PS Absolutely loving the S4!

    Front Discs


    Rear Discs


    Oh and one other thing is the pads don’t come with a pad sensor so I’ve lost that feature but I’m happy to monitor it and keep an eye on them.
  2. scotty76

    scotty76 Well-Known Member Team Phantom Audi S4

    Rusty hubs seems to be an Audi trait. A quick search would turn up a whole bunch of threads. I believe when Keef had his new S4 detailed, the hubs were painted to stop this.
  3. elpeterol

    elpeterol Active Member Audi S4

    Looks good - I'm amazed at the amount of dust coming off my standard pads - I wonder how long they will last. I agree about the occasional initial snatch but overall they seem to stop the car well. I will be tempted to upgrade when they do wear out.
  4. t8ups

    t8ups Site Sponsor Site Sponsor VCDS Map User

    How you finding the the brake dust off the hawk pads?

    Im looking into some for a VW I have and want to upgrade to porka brakes and want to use ceramic pads all round.

  5. Gazwould

    Gazwould Well-Known Member

    Want ceramic pads- EBC Redstuff.
  6. magrillz

    magrillz Member

    So far I'm pretty impressed, I've had a few short bursts down some lanes and been braking more heavily but the wheels still look pretty clean and the pads are performing well. I'd say they definitely give off less dust than the OEM pads. :icon_thumright:

    PS - Those pictures I took where after 6 days of driving and as you can see wheels still look pretty clean.
  7. t8ups

    t8ups Site Sponsor Site Sponsor VCDS Map User

    Thanks, think il be getting these when I find the right calipers.


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