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Thread: A7Tdi Noise/Rattle (HELP)

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  1. A7Tdi Noise/Rattle (HELP) 
    #1
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    Guys when my 2012 A7Tdi is idling i'm hearing a rattle sort of noise.
    I noticed it more when I was talking to my neighbour who has one and his is a lot quieter on idle.
    I have attached 2 video clip I took.
    You hear it more when I put my phone under the car.

    Audi A7 noise(2) - YouTube
    https://youtu.be/-hl74R8SD3E

    Any ideas?
    Belt tensioner?
     
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  2. Re: A7Tdi Noise/Rattle (HELP) 
    #2
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    Does the rattle change if you turn on the aircon? I've seen the ac compressor pulley come lose and rattle on this era engine. Also check if the belt is flapping about, possible tensioner or alternator pulley clutch problem. Worse case would be flywheel rattle.
     
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  3. Re: A7Tdi Noise/Rattle (HELP) 
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    Makes no odds if the AC on or off.
    I'm thinking its coming from the front possibly right side as you look at the front of the car.
    Very had to pin point but does seem louder under the car from that side.
     
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  4. Re: A7Tdi Noise/Rattle (HELP) 
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    could be really serious. I would take it to Audi soonest. my friends a7 suffered a noise engine a few months ago and after several weeks of diagnostics, it received a new engine.

    Don't mean to frighten you but if you have warranty, get it seen to quickly.
    Audi A7 3.0TDi 2011 160k miles, engine code CLAB 204bhp 2WD
     
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