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Thread: oily turbo hose

  1. 15th February 2008, 09:33 AM #1
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    oily turbo hose

    Have noticed after a recent trip, the hose at the bottom of the turbo (the U shaped one) has a film of oil on it.Its a silicon job, and after tightening and adding an extra clamp its still happening.So, is it possible it has a pinhole in it and where is the oil coming from?? Its almost like the hose is sweating oil as the entire surface is coated in it, and its clean oil, not the black crap thats inside the hose, any suggestions??
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  2. 15th February 2008, 05:54 PM #2
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    Have you done an oil change recently,TD5 filters have been known to need a re-tighten.
    Mines got oil everywhere too but I think it may be ACE fluid.
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  3. 15th February 2008, 06:26 PM #3
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    Quote Originally Posted by LandyAndy View Post
    Have you done an oil change recently,TD5 filters have been known to need a re-tighten.
    Mines got oil everywhere too but I think it may be ACE fluid.
    Andrew
    no its definitely coming from the hose and after having another look all my silicone hoses are doing it, yet its not leaking from the clamped ends, the hoses just seem to be exuding an oily fluid.
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  4. 15th February 2008, 07:30 PM #4
    llandro
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    The 90 deg. hose coming off the turbo on my tdi300 has been doing that since new.
    Exactly as you describe, the hose seems to sweat. Took it off when I first noticed it, soaked and cleaned in solvent, replaced and it was oily again in 5000km.
    What I do though, is ensure the intercooler is kept fairly clean. Not too much however as I dont trust the standard air filter box, and an oily film over the intake internals grabs a lot of dust which would otherwise end up int the engine internals.
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  5. 15th February 2008, 07:45 PM #5
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    Interesting Crump.
    I only got the oil after the silicone hoses were fitted.Did loose ACE fluid for a while,but it sorted itself and hasnt lost a drop for quite some time.
    The hoses still get oily!!!!
    I regularly degrease(fortnightly) looking for/monitoring the problem!!!
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  6. 15th February 2008, 07:51 PM #6
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    Quote Originally Posted by llandro View Post
    The 90 deg. hose coming off the turbo on my tdi300 has been doing that since new.
    Exactly as you describe, the hose seems to sweat. Took it off when I first noticed it, soaked and cleaned in solvent, replaced and it was oily again in 5000km.
    What I do though, is ensure the intercooler is kept fairly clean. Not too much however as I dont trust the standard air filter box, and an oily film over the intake internals grabs a lot of dust which would otherwise end up int the engine internals.
    llandro
    cool, I'm not nuts,are yours silicone hoses, never had this with the original rubber hose for 50000kms???
    AND the other bit I dont get, the oil is clean, like really clean, but inside the hoses its black as.
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  7. 16th February 2008, 07:49 PM #7
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    maybe the silicone is acting as a strainer ?? also on mine I have fitted a oil catch can from the tappet cover breather to stop the oil getting to the cooler
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