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Thread: Oil in intercooler hoses, is the turbo shafted

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    Apprentice Landyhunter's Avatar
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    Default Oil in intercooler hoses, is the turbo shafted

    I have a 300tdi 110 and while I was checking the integrity of my turbo hoses today and found quite a bit of oil in both top and bottom intercooler hoses. There was enough oil to drip if the hose was left unattached for a short while. I also found two small shards of metal in the bottom hose coming from the turbo. When I bought the vehicle last May there was a very definate shove in the back when the turbo kicked in on acceleration, this has been absent for some time now. The engine runs quietly and smoothly with some whistle from the turbo.
    I thought the turbo shaft oil seal but the metal shards put a new complexion on things. Might I need a replacement turbo.
    94 110 hardtop

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    Engineer fisha's Avatar
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    it is conceivable that the oil seals slightly wear and that this allows the vanes to touch the outer shell of the turbo housing - causing your little shards of metal.

    Mine had oil in it - like a drip as you say. In the end my turbo started over boosting and replaced it with a recon one.

    I have seen others with a very light smearing of oil too in the hoses. If its lots, then i would possibly start to worry.

    If your still not sure, then a boost guage goess a long way to telling you how your turbo is performing. It was the 1 thing which made me realise i hada problem as i was driving along.
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    User Mark Charnley's Avatar
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    Try a clean air filter as well - they can breathe heavily and if the filter is dirty could explain the oil.

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    It may have been the old air filter which I have just changed as it was filthy. I will be checking the boost pressure also. I intend to fit a new larger intercooler soon and will replace the hoses with silicone ones.

    Cheers folks
    94 110 hardtop

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