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BKD Noise From Engine Chamber When Stationary

Discussion in 'A3/S3/Sportback (8P Chassis)' started by SAiLO, Jul 25, 2012.

  1. SAiLO

    SAiLO Well-Known Member
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    Hi,

    Recently my car developed a noise when stationary. It sounds like a there was a loose stone in a metal/plastic can.

    The noise comes from the left side of the engine (where the fuel filter is located).

    Video below.

    [​IMG]

    Can anyone suggest what's wrong?

    Many thanks
     
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  3. jimpa10

    jimpa10 Member

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    I had sounds like these one on mine bkd motor recently.Since i changed clutch+flywheel problems solved.Have you ever changed these parts?
     
  4. SAiLO

    SAiLO Well-Known Member
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    Changed clutch and flywheel two years ago.
     
  5. jimpa10

    jimpa10 Member

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    how many miles since then?(if you remember),your local garage opinion
     
  6. SAiLO

    SAiLO Well-Known Member
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    Only around 20k
     
  7. Best84

    Best84 Member

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    Did you find out what this was in the end?? Mine has recently developed this. :(
     
  8. SAiLO

    SAiLO Well-Known Member
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    I haven't been driving much lately since my new job and not had time to deal with it.

    Guessing it's the alternator clutch pulley, as the cabin lights are slightly blinking when the engine is running. Around £120 to repair, all incl.
     
  9. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Yeah it does seem to be imho related to the belt/pulley area.
     
  10. SAiLO

    SAiLO Well-Known Member
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    Just an update on this thread:

    Replaced alternator clutch pulley with the belt and this cured the problem.

    £110 parts & labour.
     
  11. NHN

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    Changed an aux belt today on a guys car, which had the most horrendous noise as per yours & the noises went straight away, no pulley changed.
     
  12. SAiLO

    SAiLO Well-Known Member
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    Did he have flickering cabin lights when idling?
     
  13. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Nope, guess yours did then?
     
  14. SAiLO

    SAiLO Well-Known Member
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    Yes and that is why I also had to replace the alternator clutch pulley. Such a relief to only hear the good old diesel again.
     
  15. WilkyA3

    WilkyA3 Member

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    I have a similar sound on tickover - upto about 1500rpm. I've always thought it was the engine cover as I have some grommets missing. I've just looked and the tensioner is rattling about a fair bit. The belt leading upto the alternator vibrates but it looks to be off the tensioner. Do you think it's the alternator pulley or tensioner. I've just made a vid if that would help.
     
  16. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Post the vid then.
     
  17. SAiLO

    SAiLO Well-Known Member
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    The belt will be flapping a bit when it's the alternator clutch pulley, you may also be able to observe cabin lights flickering on tickover.
     
  18. WilkyA3

    WilkyA3 Member

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    I have a little bit of flicker mainly when I lift the clutch without revs. I sometimes get heavy steering too which I've read could be related too. Another thing I have is a squeak when I start the car which I assumed was the starter. I've read that could also be the clutch pulley too? My vids currently processing on YouTube.
     
  19. WilkyA3

    WilkyA3 Member

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  20. WilkyA3

    WilkyA3 Member

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    Any ideas on this one?
     
  21. NHN

    NHN Retrofitter - Audi - VW - Skoda - Seat
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    Well if steering is going heavy, light flickers, alternator is definitely one place to check yes, the racks electric so maybe a telling sign.
     

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