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Thread: Z20NET Burning Oil, Blue Smoke

  1. #1
    Regular Member adierolfe's Avatar
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    confused Z20NET Burning Oil, Blue Smoke

    First off, sorry if this has been covered before, but when I checked with search I didn't find what I was after.

    The Car is a Signum 2.0t Z20NET 04plate with 106k on the clock.

    Ive noticed that the car is burning oil and has blue smoke when started hot or cold. the fumes stink constantly. From the search it looks like turbo/seals. The turbo works as it should and spools lovely (first car with a turbo)

    can anyone point me in the right direction of how to check and find the cause? I like pictures. There is nothing on the How To: either - that I could see.

    Thanks

  2. #2
    Regular Member adierolfe's Avatar
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    Been thinking about this all day. First noticed it when the oil warning came in and I filled with with 5-30 as recommended. Going to empty it and put something thicker in?

    What grade should I use and what type?

  3. #3
    VIP-Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

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    5/30 would be fine, but I suspect your turbo is goosed... a shagged turbo is not so bad, there are plenty of 2nd hand Garrett units around. What you don't want is the blue smoke to be from knackered piston rings.. Do you have a trusted local garage you can ask to correctly diagnose it for you..?
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  4. #4
    Regular Member adierolfe's Avatar
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    Hmm, so I went to see the local mechanic. He said it sounds like the turbo has gone/going and told me how to check for oil in the turbo and feel for any play.

    I tried but cant get the tube from the air box to the turbo off.

  5. #5
    Regular Member C-Owner's Avatar
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    Careful driving around with it like that it can suck out all the oil in seconds if the turbo decides to suddenly go, depending which way it decides !!!

    Runaway engine at the worst stop and replace now is the best




    .

  6. #6
    VIP-Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

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    Quote Originally Posted by adierolfe View Post
    Hmm, so I went to see the local mechanic. He said it sounds like the turbo has gone/going and told me how to check for oil in the turbo and feel for any play.

    I tried but cant get the tube from the air box to the turbo off.
    i actually use a crow bar to get the leverage i need to 'push' the intake pipe of the turbo.., does not take much effort it just makes it easier due to the location/angle etc
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  7. #7
    Regular Member adierolfe's Avatar
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    Thanks Nige. Where's the best/cheapest place to go for a turbo. I've looked on Turbo Tecnics as its been mentioned on here a few times but can't see the one for a Z20NET. the Garrett gt2025s??

  8. #8
    VIP-Member Caveman_nige's Avatar
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    Vehicle : Vectra and a Signum

    Trim : top of the line in both

    Engine : Z18XE,Z19DTH,Z20NET

    Year : 2006

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    Neo Brothers will sell you a brand new TD04 unit for about £330 i think.. £80 for oil and water lines, £100 for injectors and you just need remap and you have more reliable and more powerful turbo..

    Crturbos can rebuild you existing unit for you, so can a few other places for about £350...

    This a Garrett and this guy is a member on here... http://www.ebay.co.uk/itm/2002-2007-...item35bbe6811f
    My old Signum, the animal; she now rests in pieces in several other members cars.. https://www.vectra-c.com/forum/garag...vehicle&id=200
    The wifes vec show car, started as a standard daily driver and ended up like this. https://www.vectra-c.com/forum/garag...vehicle&id=709



  9. #9
    Regular Member adierolfe's Avatar
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    *looks at bank account*

    Wonder if he will drop the price for a fellow member...?
    Last edited by adierolfe; 29th May 2012 at 20:31.

  10. #10
    Regular Member adierolfe's Avatar
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    Anyone else know of anywhere to get a recon or new turbo from?? I can't find any online

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