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Lots of Oil from intercooler tube/ AS Valve?

Discussion in 'VW Mk4 Jetta, Golf, New Beetle, Passat TDI forum' started by Spike Strip, Apr 9, 2012.

  1. Spike Strip

    Spike Strip New Member

    May 13, 2010
    2005 Golf GLS TDI PD (bew)
    Hello all -

    I've got 70K miles on my '05 GLS auto Golf BEW. I started on a timing belt chage (because it's 7 years old), and found all this crud when I removed the intercooler hose. I cleaned this valve and the egr and the inter-cooler about 20k miles ago, so this is kind of a quick accumulation, it seems. I'm using a "dog-collar" thingy to secure the hose, if that matters.
    Q: Why so much blow-by (if that's what it is) and is it normal to have the excess oil leak this much? It has been dripping down on the turbo and soaking into the splash shield insulation and causing a bit of a stink ... :annoyed

    I'm a TDI noob but learin' :eek:

    Thanks !

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  2. chittychittybangbang

    chittychittybangbang Administrator

    May 23, 2007
    2006 Jetta TDI
    The seal could be a little tighter to prevent dripping but looks normal. to be honest it looks a little gritty but I think that's just the flash.

    remember,the crank case vent empties back into the intake so it's not just piston blowby. It's also exhaust from vac pump emptying into engine.
  3. JHNW

    JHNW New Member

    Nov 7, 2011
    2001 Skodia Octavia 1.9TDI
    Yes looks normal.

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