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cam chain rattle

Jama665 Jan 4, 2013

  1. Jama665

    Jama665 Member

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    My cam chain rattles like buggery for a few seconds on cold startup. I'm guessing its either the tensioners getting slow or the chain is stretched. Oil pressures good. 160k on the clock with no paperwork to say its had a new chain or tensioner. Any thoughts on which. Or is it worth doing them both.
     
  2. AlexGSi2000

    AlexGSi2000 Well-Known Member VCDS Map User

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    I'm guessing your car is an S4?
     
  3. Jama665

    Jama665 Member

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    Ha ha no sorry thought I covered it all but left out the most important.

    Its 1.8t wish it was a s4
     
  4. quattrojames

    quattrojames Moderator Staff Member Moderator Audi A6 Audi Avant Owner Group

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    1.8T has a timing belt.

    The only B6 with a timing chain is the 4.2 V8.
     
  5. marktdisport

    marktdisport Active Member

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    I'd get the oil pick up looked at in the sump, sounds like a loss of oil pressure
     
  6. Avantsline

    Avantsline Member

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    Sure I read my b6 1.8t has a camshaft chain & tensioner?

    Infact I am sure I hear it when i start her up?

    (not disputing it has a timing belt but at the back of the engine lies a chain for the camshaft from what I have read)
     
  7. Jama665

    Jama665 Member

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    No the 1.8t has both. Cam belt only drives one cam and a chain that links that cam to the other. Odd set up really not sure why they done it. Oil pressure is ok sorted that when the oil pick up got blocked.
     
  8. Avantsline

    Avantsline Member

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    I did a search after I heard mine for the first time sounded evil and not what i have experienced on a car start before but it seems to be deemed Ok if it rattles for a few seconds while the oil circulates, if it is noisy for longer then it needs replacing.

    Mine only does it for couple of secs until oil has pumped around so its perfectly healthy for now!
     

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