Richardjones74 Posted July 7, 2018 Share Posted July 7, 2018 I've just bought 2008 Audi A4 S-Line Avant and under braking there's a small knocking sound the brakes are working fine I took it to a garage who advised that it may be the disc covers behind the disc . Has anyone had a similar problem if so please can you advise Quote Link to comment Share on other sites More sharing options...
Magnet Posted July 7, 2018 Share Posted July 7, 2018 Hello Richard, Sorry to hear of the problem with the car. Yes, I guess it could be the disc backing plates, but the usual problem with theses with a car of that age is that they rust and may distort and the disc could then rub against this distortion. If it does, it is unlikely to result in a knocking noise - more of a constant rubbing noise. I cannot see why the garage can say it ... may be..... when they should, with examination be a able to say it is or it isn't. Knocking noise- do you feel any pulsating at the brake pedal when this noise occurs? Kind regards, Gareth. Quote Link to comment Share on other sites More sharing options...
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