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Clattering Noise!

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Funkyfin2000, Jun 19, 2012.

  1. Funkyfin2000
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    Funkyfin2000 Member

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    [Jun 19, 2012]
    Hi guys,

    If you read one of my other posts a while back I was having a clattering/banging noise on start up from my Audi A4 1.9tdi 2004 Quattro....Only happened occasionally on start up and slowly its got worse.

    It now happens really when in gear, under very low revs and low speed.....The noise a loud clattering/tapping/banging noise....

    I have a suspicion this is probably the DMF, but how would it make such a noise?

    Any ideas for this?

    Cheers, I know it's a long shot!

    Rich
    #1
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  3. Funkyfin2000
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    Funkyfin2000 Member

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    [Jun 23, 2012]
    Any ideas peeps?
    #2
  4. boost-addict
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    boost-addict Active Member

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    [Jun 23, 2012]
    possilbe has it had the correct oil changes etc does it sound like the bottom end going, unlikley but just go single mass if it is the dmf
    #3
  5. Funkyfin2000
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    Funkyfin2000 Member

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    [Jun 23, 2012]
    Hmmmmmmmmm yeah has had oil changes fine and had all the top end checked fully for camshaft wear and all that!
    #4
  6. Mr.Vagcom
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    Mr.Vagcom New Member VCDS Map User

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    [Jun 23, 2012]
    Its possible that it could be pas pump .... or AC pump but possibly more than likely its your oap there really common for going.
    Regards
    #5
  7. Leaky Lloyd
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    Leaky Lloyd Member

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    [Jun 23, 2012]
    ive had a similar problem and posted in other threads of similar discriptions and my problem is now 100% solved !
    it turned out to be the air conditioning pulley
    heres what you need to do to test it,
    start the car for maybe 30 seconds just to check the noise is there but dont let it warm up !
    then,remove the belt which goes around all the pulley's at the front of the car (christ knows what its called im not a mechanic)
    start the car (BUT ONLY FOR A COUPLE OF MINUTES!!!!!!), if the noise is gone then your half way there
    now, the air-con pulley if i remember correctly is (as you stand infront of your car) the one to the right hand side right down at the botttom.
    with the engine off,, rotate this wheel by hand bock clockwise and anty clockwise say 5mm in each direction as fast as you can, and also try rattling it on its axis ?
    as soon as we did this we knew we had the problem nailed,
    changed the pulley, slipped the belt back on and bobs your mothers brother,,,, problem solved !

    good luck with it matey !
    #6
  8. Funkyfin2000
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    Funkyfin2000 Member

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    [Jun 26, 2012]
    Ive had the common alternator pulley changed when I had the car 2 years ago in Nov....can't see it being that again..... is that the same thing????

    Is this the air con one different presumably do?

    Its making the noise on Idle as well, just clatters quite regularly when idling! Annoying!
    #7
  9. Leaky Lloyd
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    Leaky Lloyd Member

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    [Jun 26, 2012]
    same sort of problem,, different pulley !
    #8
  10. Funkyfin2000
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    Funkyfin2000 Member

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    [Jul 2, 2012]
    Guess what, it's the Air Con Compressor Clutch! Great :( £430 fitted!
    #9
  11. boost-addict
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    boost-addict Active Member

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    [Jul 2, 2012]
    at least it wasnt any thing to do with the mechanical side of things (engine wise) so at least its a straight forward job
    #10
  12. marktdisport
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    marktdisport Active Member

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    [Jul 3, 2012]
    pm leaky lloyd m8 as he fixed his for cheap im sure it was only around £30 quid fix to reasemble the clutch and this would save the expensive new compressor
    #11
  13. Funkyfin2000
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    Funkyfin2000 Member

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    [Jul 6, 2012]
    Thanks mate, have PM'ed him but no reply.

    Rich
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