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A6 quattro weird noises

FCPete Sep 13, 2009

  1. FCPete

    FCPete Slowly getting better

    I've had my A6 for a month or so now and I've noticed it makes some unusual noises after I've parked it, not for long, but maybe 45 seconds.

    First noise is a hiss from under the bonnnet which I suspect is aircon related. Coolant level is fine - it's not used a drop in 2000 miles or so, but when I switch it off there's a noticeable hiss from somewhere. Climate works perfectly..

    Second noise only happens sometimes. It's from the rear of the car but I can't work this one out. It's very similar to noises a Hyperactively suspended Citroen I owned used to make. Sort of creak as if it is settling down for a good nights sleep. Doesn't sound like the exhausts cooling, more suspension related I imagine, but I don't have a clue what it might be.

    Anyone elses do this? Car drives perfectly, and passed the MOT today with no advisories. It's fsh and properly looked after but I always like to know what is causing the weird noises!
  2. Cockney Boy

    Cockney Boy Member

    The hiss will be from your aircon unit, but the second sound, im not sure about.

  3. singhl

    singhl Member

    If you have an electronic parking brake - it is that, nothing to worry about, my one does it as well

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