Question about 1997 Volkswagen Passat

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Vw passat intercooler

Hi i noticed an oil leak sign on intercooler of my passat 1.9 tdi and how it afects my cars engine?how big is this problem?thanx

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  • astamir Nov 13, 2008

    could you please explain what kind of problem could it become?

  • Anonymous Mar 28, 2014

    My passat gl 2.0 16v engine oil leaks from distributor can it fix or change the oil seal ?

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I have a 98 Jetta with the same engine in it and mine has leaked a bit of oil from the intercooler for years. It's the low point in the intake piping and by the very nature of it's design can leak a bit. This engine (and every other engine) has a CCV, crankcase ventilation. Oil vapor from inside the engine is redirected to the intake so it can be burned off for emissions reasons. This oil vapor can condense in the intake and pool a bit in the intercooler.

I wouldn't worry too much about this unless your car is using a lot of oil. I'd check it regularly. Again, there could be bigger issues, but speaking from personal experience, every Passat and Jetta with this engine (1Z and AHU), I've always seen oil residue on the intercooler.

My suggestion? Tighten the hose clamps, and spray it off at the car wash if you don't like leaving oil drips.

Posted on Oct 27, 2014

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U need to solve this or u'll have the bad luck to have oil from intercooler in your admission and your engine won't stop event if u try to turn it off; will **** dry u'r oil from the engine, destroying almost everything. I think that it's a sign that u'r car's turbo needs to be changed. Sorry for my bad english. Hope that helps.

Posted on Feb 26, 2009

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It will become a bigger problem if you dont get it fixed. small problems always tend to get bigger

Posted on Nov 12, 2008

  • Ronnie Houston Nov 13, 2008

    you could wind up with a major oil leak making the car undruvable..its better to have it looked at now rather than wait til its too late and the problems grown worse.

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tdisline_448.jpg
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