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Thread: If Its Not The Turbo Then What Is It ??

  1. #1
    A3 T's Avatar
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    Exclamation If Its Not The Turbo Then What Is It ??

    So last week i was running a bit late and had to give the car a bit of welly.

    Unfortunately i was only able to boot it for a couple of seconds because i got held up by a level crossing then again by a set of traffic light and then once again by a delivery truck that was taking up one side of the road (isn't it always the way).

    Anyhoo, when i stopped for the delivery truck a load of smoke come out on my exhaust and filled up the road, I then kept the revs low and by the time i was able to park up to have a look the smoke had stopped coming out.

    So while at idle i gave the car a good few revs and the smoke filled up not only the road but all the pavements as well.

    I limped the car home and have been keeping the revs below 2k and everything has been fine.

    I've been thinking the turbo seals must have gone and that i will need to get it rebuilt but today my mechanic told me to get it down to him so he could give it a test drive and also take the hose off the turbo to see how much play it had.

    Guess what......

    No smoke and no play.

    After checking it out on the ramps...etc we took it out for a bit of a spin and pushed it to limits I've never done in the time I've had the car. but there still wasn't any smoke.

    When we got back we noticed that i was leaking coolant thought the housing on the side of the engine (part number 06a 121 133 j) So we replaced it.

    So my question is, what could have caused all that smoke last week ?


    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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  3. #2
    superkarl's Avatar
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    Valve stem seals and/or valve guides.
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    A3 T's Avatar
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    Quote Originally Posted by superkarl View Post
    Valve stem seals and/or valve guides.

    Thanks for the reply mate


    If it was the valve stem seals or valve guides, wouldn't it happen all the time and not be a one off ?


    That's what i can get my head around, for the amount of smoke that was coming out of the exhaust i would have thought it would have happened again.
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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    superkarl's Avatar
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    Well im no expert but what i think happens is dodgy stem seals leak oil on a cold non running engine, then when started and running result in smoke. This is the same for worn guides, but once the car is warm and things have expanded it can stop if not too severe.
    So it is a possible cause for you.


    What colour was the smoke?

    You should also consider your coolant leak got onto something hot and it was in fact steam.
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    Emptied your catch tan recently?
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    Word!!!

    My A3/Martys Golf would smash that, and this guys £7000 GT9743 supercharged love machine.

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    Mine started smoking randomly now and again and it was the turbo mate
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    www.badger5.co.uk

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    turbo seals on hot side possibly... also check your PCV breather pipes are not blocked or catch can full...
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    A3 T's Avatar
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    Thanks for all the replies. You'll need to just get likes now the thanks button has been removed from the forum.....lol





    Quote Originally Posted by Paradox1 View Post
    Emptied your catch tan recently?

    I did check it a while ago and there was nothing in there, maybe i should check it again....lol


    Would that cause the amount of smoke i mentioned?






    Quote Originally Posted by A3-Lee View Post
    Mine started smoking randomly now and again and it was the turbo mate

    Damm... Was you able to get it to smoke by booting it around for a bit?


    We tried everything to get it to smoke again. we tried booting it about from cold, from hot , leaving it idle for ages before booting it around, we even took up a long steep hill to see it it would do it under load. but the car just performed as it should and with now smoke.






    Quote Originally Posted by badger5 View Post
    turbo seals on hot side possibly... also check your PCV breather pipes are not blocked or catch can full...

    Again, wouldn't i be able to get it to smoke again if it were the seals as the seals were my first thought.

    Do you mean the hoses going to and coming from the catch can ?

    I have noticed that with this hot weather...etc that those hoses have been getting very soft when hot.

    Could they be collapsing and would that cause that amount of smoke?





    Thanks again guys
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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    It happened to me randomly on the way to work one morning then ran fine for 2 weeks then all hell broke loose and turned out to be seals on the hot side bye bye went my remap fund
    My Imola Yellow APY S3 build! - the sky and wallet depth is the limit! :L

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  11. #10
    A3 T's Avatar
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    Quote Originally Posted by Burnsie666 View Post
    It happened to me randomly on the way to work one morning then ran fine for 2 weeks then all hell broke loose and turned out to be seals on the hot side bye bye went my remap fund

    That's bad luck mate


    Would it happen if you was driving it off boost ?
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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    Yes mate well mine did once it was warm felt sorry for the poor people behind as drive it for a day like it
    My Imola Yellow APY S3 build! - the sky and wallet depth is the limit! :L

    http://www.audi-sport.net/vb/a3-s3-f...ccys-vids.html

  13. #12
    A3 T's Avatar
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    Quote Originally Posted by Burnsie666 View Post
    Yes mate well mine did once it was warm felt sorry for the poor people behind as drive it for a day like it

    That's the thing....

    Mine didn't do it when i drove it off boost and didn't even smoke at idle unless i revved the bol***ks off it.





    I checked the catch can today and it just had a coat of oil in it, i also scanned the car today but nothing new showed up.

    I've been driving the car the way i always have for about two weeks now and it hasn't happened again.

    I'm starting to think that maybe it was the hoses going to/coming from the catch can that had got soft due to the heat ( it was on that exceptionally hot day we had) and collapsed when i gave it some welly.

    Could that have caused that much smoke ?
    Audi A3 T sport (8l) AUM 2001..... Stage 1 Remap , Bailey DV30 , HID Headlights , LED Sidelights/Footwells , Catch Can , N249 Bypass , Tinted Windows .....

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    Quote Originally Posted by Burnsie666 View Post
    It happened to me randomly on the way to work one morning then ran fine for 2 weeks then all hell broke loose and turned out to be seals on the hot side bye bye went my remap fund
    This is the same with me mate

 

 

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