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3.2 FSI ...rattle on start up

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by o0timbo0o, Feb 3, 2012.

  1. o0timbo0o
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    o0timbo0o Member

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    Seeming to notice that my 3.2 rattles like buggery for a few seconds on start up, then quietens down to smoothness, Is this a trait of the 6 pot?

    Is a liter of oil every 5-6k miles .. average consumption ? car has done 65k
    #1
    A4 3.2 cab likes this.
  2. rizzini7
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    rizzini7 Active Member

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    My mechanic said mine will use about that every few thousand, maybe its the cold weather causing the rattle. Find mines drinking petrol at the moment
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  3. bez101
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    bez101 Yorkshire & Humber Rep.

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    audi will tell you 1ltr is ok every 5/6k
    some use it some dont just luck of the draw
    #3
  4. chrisa4quat
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    chrisa4quat Member

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    I hope it's just the cold weather. If not they do suffer with chains. Also my 2.0T is consuming lots of fuel at min. Lights on, heating on, radio on. Using alot of stuff due to weather
    Last edited: Feb 4, 2012
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  5. PetrolDave
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    PetrolDave Active Member

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    Could be the hydraulic tappets taking time to fill up because the oil is so thick and gloopy as it's cold?
    #5
  6. o0timbo0o
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    o0timbo0o Member

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    Things have gotten a little worse any ideas ??
    Car sat for about a week with no use. Came to start it today and heard this ( sound was worse at initial start .. this is the noise at t+ 1 minute)

    It's a little bit more than just injector noise.

    Last edited by a moderator: Aug 15, 2014
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  7. *Adam
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    *Adam Member

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    Is the rattle only on the right bank of the cylinders?
    #7
  8. chrisa4quat
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    chrisa4quat Member

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    Possible timing chain?
    #8
  9. o0timbo0o
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    o0timbo0o Member

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    I didn't think that these cars suffered the timing chain issue the S4 has ?
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  10. sewell10
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    sewell10 Member

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    timing chain mate deffo
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  11. o0timbo0o
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    o0timbo0o Member

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    Where does that leave me you think? Apart from in the doo!
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  12. Paul B7
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    Paul B7 Active Member

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    I agree with the above dignosis of the sound, almost certainly a timing chain issue and hence this needs replacing NOW and before it fails.

    Good luck,

    Paul B7
    #12
  13. o0timbo0o
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    o0timbo0o Member

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    booked in next tuesday. This is why you pay for a warranty !!! fingers crossed they shell out !
    #13
  14. rizzini7
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    rizzini7 Active Member

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    Keeps us updated.
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  15. sewell10
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    sewell10 Member

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    its a big job to do
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  16. o0timbo0o
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    o0timbo0o Member

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    News in that it is indeed the cam chain which has stretched which in turn has buggered the tensioners & guides in other words the full monty. Cam sensors are reading odd values because the chain has stretched that much. Engine out job. Not bad for a car with 65k miles

    Putting a call in to the warranty people first thing Monday ... Everything is crossed !
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  17. rizzini7
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    rizzini7 Active Member

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    You got me worried now. Mines on 83k. Does it come up as a fault on Vagcom??? or will it need to be booked in at Audi to find out. Mine sounds like a tick. (chain on a sprocket kind of sound)
    #17
  18. o0timbo0o
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    o0timbo0o Member

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    Have you checked out the video above?
    No fault on vagcom or indeed vcds ;)
    Last edited: May 20, 2012
    #18
  19. rizzini7
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    rizzini7 Active Member

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    Bugger, will have to get it checked out soon. Mine doesnt sound as load as yours. Is it something a mechanic can easily check or more an Audi job???
    #19
  20. o0timbo0o
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    o0timbo0o Member

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    ok .. update on this . garage priced up new engine .. £8.5k ex Vat !

    then checked out a thing or too on the back of the engine and low and behold a blocked oil channel leading to the cam tensioner. Engine flush .. new oil and bingo sweet as a nut.

    Kinda screws me over because warranty wont pay out and it's left me with a 200 quid bill but hey it's sorted and thats good enough for me.
    #20
  21. rizzini7
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    rizzini7 Active Member

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    Nice one, i'll lower my heart rate again :). Maybe mines just getting a little clogged up aswel
    #21
  22. chrisa4quat
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    chrisa4quat Member

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    Brilliant news! 200quid ain't a bad price at all. Glad it's sorted :)
    #22

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