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Loud BANG when going over a bump?

A3 Sport Sep 2, 2010

  1. A3 Sport

    A3 Sport Member

    Today, I was driving at around 20mph over a bumpy road, and went over a dip and all of a sudden, I heard a really loud bang, it was horrible - made me feel sick! It wasnt a dragging or scraping noise, it was as though the suspension had bottomed out! Has this happened to anyone else before? Is there anything on the underside of the car that I should check?
  2. Scott

    Scott Well-Known Member

    Could have been your sump. I've smacked that a few times as the car is lowered and that makes an awful bang.
    Could have been something flying up in your arch, I had that a few days ago when I drove over a spoon, that made an awful bang too.
  3. evilscotsman

    evilscotsman Space Cowboy

    check your front lower arm rear mounting bush for lateral movement, (front suspension.)
  4. phil76

    phil76 Active Member

    Have you checked the back of the alloys to see if one has had a flat spot put in it? are the springs ok as the oe ones have a tendency to snap,another daft question but there is nothing in your boot loose or spare wheel etc is there? we have this with customers too much infact much much much too much

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