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Some strange noises from what sounds like the transmission or drivetrain of my S6 !

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by reggieroo, Feb 6, 2012.

  1. reggieroo
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    reggieroo Member

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    [Feb 6, 2012]
    I've just been on a 300mile round trip to Devon & on the way down I could hear a funny noise but very hard to describe exactly. It kinda sounds like a faint squealing/clicking noise. When in drive you can hear it if you let off the accelerator pedal but as soon as you put your foot down even a little bit it goes away. Also when you can hear the noise if you put it in neutral while driving along it goes away then too. One other strange thing, on pull off there is a weird knocking but not every time, sounds like it's coming from the back but can't be sure.

    I had a horrible feeling the gearbox was about to give up but it felt perfectly fine all the way there & back. Could it be a drivetrain issue & is there any common problems with the Quattro system? The car in question is my S6 4.2V8 Tiptronic.
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  3. reggieroo
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    reggieroo Member

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    [Feb 19, 2012]
    I managed to get a friend to take a look at it on a 2 post ramp free wheeling. We span it up & could hear the noise coming from the prop, a rattling noise. There was also quite a bit of play in the prop.
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