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Does my car have a cambelt 3.0TDI

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by crispin, Dec 14, 2010.

  1. crispin
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    crispin Member

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    [Dec 14, 2010]
    Hiya, I have just bought a 2005 55 plate 3.0TDI quattro s line, some people says it has a cambelt some not, they say it has a chain which never needs to be changed....whats the truth!! thanks guys!
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  3. singhl
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    singhl Member

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    [Dec 14, 2010]
    My 2005 3.0 Tdi SE quattro - engine type BMK does not have a cambelt, but at 70K miles it needed its diesel timing belt an tensioner changing, apparently this is not a cam belt (as the car has a chain for that).

    Best to call a specialist or audi dealer and make sure.
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  4. adamss24
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    adamss24 Well-Known Member

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    [Dec 14, 2010]
    The timing side is kept in check by 4 chains and the high pressure pump is belt driven. The early chain tensioners are known to fail- usually is the tensioner wich can be replaced in situ. To change the chain its an engine off job as the chains are at the back of the engine... The old 2.5 tdi was complicated but the 2.7 and 3.0 Tdi are in a different league of complexity !
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  5. crispin
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    crispin Member

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    [Dec 20, 2010]
    Thanks Guys, you are right BMK has a chain which is what mine is. The garage said that there was NOTHING to change?? not even a tensioner?
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  6. adamss24
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    adamss24 Well-Known Member

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    [Jan 18, 2011]
    How much do they know ? Chain stretch due to Longlife oils degrading and the tensioners will stratch to take-up the slack. They can only work soo much and if you hear a ratlly, mechanical noise when you start the car in the morning (for a couple of sec. while the tensioners fill-up) then your tensioners are either blocked or the guides worn. If it slips its a engine out job- i have seen 2 engines do that...not cheap at all ! There is a vag buletin wich explain how to change the chain guides in situ, not easy but doable but many garages will pull the engine out so they can time-it properly- not chap in labour costs...
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