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Squeaky brakes?

Discussion in 'A3/S3/Sportback (8P Chassis)' started by KRL, Nov 23, 2007.

  1. KRL
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    KRL Member

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    [Nov 23, 2007]
    Why do brakes get squeaky and what can be done to stop them from squeaking?
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  3. d3fy
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    d3fy Active Member

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    [Nov 23, 2007]
    mine send me daft:tocktock:
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  4. gr1zly
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    gr1zly Member

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    [Nov 23, 2007]
    If you have changed brake pads not a long ago, maybe someone forgot to put special liquid on yor brake pads.
    Or another option which I had, small rock bump into your brakes noise i horrible.
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  5. markwiggy
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    markwiggy Third Gear

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    [Nov 24, 2007]
    Mine have squealed from new, only at slow speeds though. Will get it checked at first service, can't be bothered going to the dealer just for the brakes. Copper slip on the back of the pad when assembling usually does the trick though.

    Mark
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  6. Twizzler
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    Twizzler Member

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    [Nov 24, 2007]
    Copper grease will help but the main problem is asbestos, or rather, the lack of it. Modern pads have substituted metal particles for it. Most of the sqeal comes from contact between the pad and the disk causing high-frequency vibrations in the same way as rubbing a wet finger around the rim of a large thin glass.
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  7. KRL
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    KRL Member

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    [Nov 24, 2007]
    Yes mine have squeaked from new as well and it also only seems to happen at low speeds. For example when coming to a stop in traffic.
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  8. Twizzler
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    [Nov 24, 2007]
    A low speed squeal is of little concern. It's very difficult ro remove. Abrading the pads may provide temporary relief but it will probably return. It's made worse if your car stands unmoved outside for days. The thin film of rust that forms contaminates the pads and adds to the problem.
    #7

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