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have i broke my turbo too ?

Discussion in 'Engine Discussion and Tuning (archive)' started by ceedubya, Apr 29, 2009.

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  1. ceedubya

    ceedubya crazy legs

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    after frying my clutch a few weeks ago my car is now burning oil on prolonged tickover (lots of blue/oil smoke)

    the turbo is only around 2k old since having a new shaft fitted along with seals running full boost ( td05/18g)

    plugs are a nice biscuit colour, no oil in the turbo intake side, small deposit of oil in the boost pipes ?

    the car is still running and boosting fine on full boost with no smoke except tickover

    the 2k miles was fun but now its a pain in the hoop with things going tits up[:@]
     
  2. UncleFester

    UncleFester Grumpier by the day!

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    I would hazard a guess at valve stem seals. If it's only on tickover then the turbo shouldn't be working.
     
  3. traumapat

    traumapat Leon Cupra IHI

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    Mine was valve stem seals. Smoked after a few mins at idle.
    Compression test should give a better idea
     
  4. Damoegan

    Damoegan Sir Bob,a geordy legend..

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    Not having much luck ATM are you, Chris..
     
  5. ceedubya

    ceedubya crazy legs

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    that sounds like mine :( is it much of a job to change them

    only bad luck at the mo, the n249 resistor i got of ya works a treat tho;) cheers
     
  6. Damoegan

    Damoegan Sir Bob,a geordy legend..

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    Good stuff :D
     
  7. traumapat

    traumapat Leon Cupra IHI

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    depends what they find.. but it wont be cheap:(
     
  8. ceedubya

    ceedubya crazy legs

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    :lol: just gonna have to smoke for a while then:lol:

    was out "testing" today and no smoke using full boost thru the gears and only the odd puff coming down thru gears ?

    i will take it to bits to fix both problems when its no fun or shamefully smoking :redface:
     
  9. ibizacupra

    ibizacupra Jack-RIP my little Friend
    Forum Sponsor

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    the derv boys have smoke.. join em.. its no disgrace whilst dissapearing into the distance. :p
     
  10. ceedubya

    ceedubya crazy legs

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    its no fun tho when you cannot see them disapear:D

    is it much of a job to change the valve stem oil seals ???
     
  11. PhilW

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    If it was valve stem oil seals your plugs would be black.
     
  12. ceedubya

    ceedubya crazy legs

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    the plugs were a perfect biscuit colour :confused:

    have had a few boost pipes off and they have a normal thin film of oil, no worse than before it started to smoke :confused:
     
  13. ceedubya

    ceedubya crazy legs

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    i am starting to think that my turbo could be leaking oil direct into exhaust system and not thru engine ???

    everything i have checked on engine side looks normal and isnt showing any signs of burning oil

    any other ideas anyone :confused:
     
  14. PhilW

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    Restrictor fitted on the turbo?
     
  15. Backdraft

    Backdraft Guest

    Is there a leaky gasket on the mani to turbo or the turbo to dp?
     
  16. caney

    caney Full Member

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    :confused:then it would blow not kick out smoke on start up.
     
  17. ceedubya

    ceedubya crazy legs

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    ;) no blowing on start up or when cold, deffo think its putting oil direct into exhaust system and missing engine completely since i have checked plugs after a :smoke: session
     
  18. HTC

    HTC ...

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    So it's using oil only under high vacuum. Your turbo should have a restrictor already built into the CHRA.

    You could pull off the downpipe and see if the turbine has signs of oil on it, though I'm not sure you would spot it. Also if oil is only running through the engine periodically I don't think it would oil the plugs either.

    Have you thought about checking the breather system one way valves. You could be sucking straight from the crankcase into the inlet.
     
  19. ceedubya

    ceedubya crazy legs

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    cheers for ya help;)

    its at its worse on prolonged tickover and i dont see any smoke while driving but people following say it ocasionally puffs a bit out when i am coming down thru the gears.

    the breather system is factory at the mo, i have a breather tank ready to fit asap
     
  20. cupra_matt

    cupra_matt Audi Technician

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    With the correct workshop equipment they can be done without removing the head. But most dont have this equipment, so cylinder head removal will probably be required.
     

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