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  1. #1
    AL_B's Avatar
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    Next Problem: Exhaust drone/boom 3000rpm

    Right, next problem.

    Something I've noticed over the last 2000 miles or so (car has done 14500miles) is a droning sound as the drop through 3000rpm.

    But at a constant speed/revs there's no droning. I realise some people experience boominess on the motorway, but its something that doesn't really affect my car.

    My guesses are: exhaust or could it be the dual-mass flywheel problem that was mentioned on the old site?

    The best way to reproduce the problem is:
    5th gear, 70mph. Lift-off the accelerator, and let the revs and speed drop. As the cars speed falls past 65mph/3000rpm the drone starts, and continues until speed is under 60mph.

    Any ideas?

    AL

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  3. #2
    Reverse Gear

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    Re: Next Problem: Exhaust drone/boom 3000rpm

    Does it sound like a jumbo jet taking of in the distance? I get this thrumming noise quiet often but ignore it.

  4. #3
    pwnorman's Avatar
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    Re: Next Problem: Exhaust drone/boom 3000rpm

    I've the same problem audi dealer claims to know nothing (why is that not a suprise).

  5. #4
    AL_B's Avatar
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    Re: Next Problem: Exhaust drone/boom 3000rpm

    Benjy,

    I would describe the sound to be more like "blowing over a milk bottle". (Don't anyone suggest my DV is gone, I know it isn't). So its more of a deep, resonating sound.

    Cheers

    AL

 

 

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