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Thread: Car Noise

  1. #1
    Senior Member piroska's Avatar
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    Default Car Noise

    It recently (2 weeks ago) had a service.
    Relevant or not...I don't know.

    Anyway last couple of days when I first start - while car is cold - there's a hissy noise.....it goes away once car is warm. Like the sound a frying pan makes when you drop the steak in.

    What is it? No dash lights on, no difference in the way it drives or anything.
    Ex-pctek

  2. #2
    Seasoned Member allblack's Avatar
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    Default Re: Car Noise

    All I can think of is thermostat, and air pressure. And when the thermostat opens when the car heats up, it releases the pressure that was causing this hissing sound.

    I know that's no help.

  3. #3
    Senior Member piroska's Avatar
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    Default Re: Car Noise

    Thanks, I've since found out it's the alternator belt.
    Booked in for a new one....
    Ex-pctek

  4. #4
    Seasoned Member allblack's Avatar
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    Default Re: Car Noise

    Ooooh...well I was close.

  5. #5
    VoidMaster
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    Default Re: Car Noise

    Hmmm, slipping whilst cold causing hissing sound, stops slipping and becomes more "grippy" as it heats up, I'd be looking to adjust fanbelt/alternator pulley tension as a first step, but if there are obvious signs of wear then replace of course.
    It's not the least charm of a theory that it is refutable. The hundred-times-refuted theory of "free will" owes its persistence to this charm alone; some one is always appearing who feels himself strong enough to refute it - Friedrich Nietzsche

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