EM TuningChris Nott
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  1. #1
    dentsy's Avatar
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    Question Anyone know what this noise is please

    Hi, I have a C5 2.5 Tdi V6 and the belts and tensioners have all been done in the last 1000 miles

    I now have this noise and a slight vibration only on start up and shut down, it seems to be coming from the passenger side and as your standing in front of the car towards the lower right side,

    the sound file is here :-

    Free File Hosting Made Simple - MediaFire


    anyone please ?

    Thanks,

    Simon

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  3. #2
    dentsy's Avatar
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    Bump !

  4. #3
    1st Gear

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    wait till something goes wrong and then you'll know.....
    3.0 TDI S Line Quattro Avant, Leather, Bose, Colour MMI Sat Nav, Phone, LED rear + Xenons

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    Hi Just had a friend listen to it & he seems to think its possibly the Vibration damper on the crank pulley that has gone.

    I just called Audi & they said that the Vibration Damper is seperate from the pulley but to buy complete is £325 OUCH !!

    My engine code is AFB 2.5 TDI V6 and the part they have quoted me for is 059 105 251 AC

    Anyone know where I can get one much cheaper I am looking on EBay but they are £189 too would a used one be a viable purchase ?

    Regards,

    Simon

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    changed part but noise still there

    Hi All,

    Well stripped front end off only to find that vibration damper was fine but I changed it anyway,

    we then found that the part that is making the noise is the one shown in the picture below I hope its not the spring behind the bracket thats worn as its a lot of work to strip down again.

    I have had great assistance from Peter D by him sending me pics of whats involved but just thought I may as well

    put this up just in case anyone else has had the same problem on start up & shut down


    https://picasaweb.google.com/118345697919795457280/ScreenCaptures?authkey=Gv1sRgCJOc08jK8K-avAE
    #

    regards,

    Simon

  7. #6
    dentsy's Avatar
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    here is a picture of the 2 parts that seem to be coming in to contact with each other on start up

    https://picasaweb.google.com/1183456...eat=directlink

    any ideas anyone please,

    regards,

    Simon

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    Will this link work ?




    It's the light clankng noise in the background , is it the tensioner or something ?

  9. #8
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    This is what the car sounds like from inside also some slight vibration and a strange noise from engine it definately sounds different from when I had the car 5 months ago
    Car is a2.0 tdi BRE 140 bhp remapped to 180

  10. #9
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    This is a very confusing thread as it starts off with a 2.5v6 car over 2.5 years ago and then switches to a 2.0 car for the last 2 posts.
    Almost impossible to decide what a faint noise is. Could be the DMF on the way out how many miles has the car done ?.
    Could also be quite a few other things. Try a bit of two stroke in the tank and see if it quietens down a bit . Around 0.5% so 200- 250ml in a 50L tank.
    Karls 312bhp A4 3.0 TDI build thread http://www.audi-sport.net/vb/audi-s4...ld-thread.html

  11. #10
    dentsy's Avatar
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    Damn sorry guys I posted it under a post for my old car 😒😒


    Sorry will update as soon as poss

  12. #11
    dentsy's Avatar
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    Quote Originally Posted by desertstorm View Post
    This is a very confusing thread as it starts off with a 2.5v6 car over 2.5 years ago and then switches to a 2.0 car for the last 2 posts.
    Almost impossible to decide what a faint noise is. Could be the DMF on the way out how many miles has the car done ?.
    Could also be quite a few other things. Try a bit of two stroke in the tank and see if it quietens down a bit . Around 0.5% so 200- 250ml in a 50L tank.
    Hi car done 103 k , 2 stroke oil ?

    Si

 

 

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