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2.5 V6 TDI ticking noise?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by DJ_Troopa, Mar 30, 2010.

  1. DJ_Troopa

    DJ_Troopa K1 Driver

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    Evening all

    I'm from the S3 side of the site and posting on behalf of a friend on here who can't jump online yet.

    He has an A4 2.5 V6 TDI. He said there's a ticking noise coming from the engine on idle. Also, whilst he is driving the ticking noise gets faster as he speeds up.

    Any ideas what it could be?

    Thanks

    Jay
     
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  3. swine

    swine Member

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    i have exactly the same thing, comes and goes but fairly obvious when present. first noticed it after i replaced the cam belt and water pump. loudest from passenger side
     
  4. DJ_Troopa

    DJ_Troopa K1 Driver

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    He said his noise is coming from the driver side?

    Anyone else know what it could be?
     
  5. Broken Byzan

    Broken Byzan Photographic Moderator
    Staff Member Moderator VCDS Map User quattro Audi A4

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    I would hope its not a faulty camshaft, as they are known to have chocolate cams....
     
  6. tonypill

    tonypill New Member

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    Dont' know id its of any use, but I had the same problem a couple of weeks ago. I was on a longish journey, and stopped for a cup of tea. I heard this ticking noise on idle and getting faster when accelerating. I called the AA as I didn't like the sound of it. It transpired that it was actually a misfire ( or a no fire!) that was being caused due to water in the affected injector's diesel line. Cleaned the line repleced the fuel filter, and all has been well since.
     
  7. quattrojames

    quattrojames Moderator
    Staff Member Moderator Audi A6 Audi Avant Owner Group

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    What year is the car? The later models were better.
     
  8. A4 nut

    A4 nut Member

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    Its not oil starvation to that cam is it ,do those engines have hydrualic followers?
     
  9. quattrojames

    quattrojames Moderator
    Staff Member Moderator Audi A6 Audi Avant Owner Group

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    Yes they do.
     
  10. A4 nut

    A4 nut Member

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    If it is easy enough i think these are v6 engines can you take off the cam cover for the drivers side and check that it is well lubricated and no signs of ware if thats not poss then off to a indy for inspection.
     
  11. swine

    swine Member

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    very easy job to inspect the cams, just remove fuel lines from pump to injectors then the leak off hose from injectors, then lift the rockers. checked mine all looked good and i have the chocolate cams, 2001 ake or as i like to call it 2001 ache. :tumble:
     
  12. Turkster

    Turkster Bro.Paul 2.5TDI Quattro Sport

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    the cams are expensive to change, i should know, iv had all 4 of mine done by Audi!
     

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