The rubber seal on the cap, should not have any cracks in it - a small indentation where it meets the lip on the reservoir, is ok. Sometimes the seating are on the reservoir has crud build up on it -check that out. The spring on the cap should feel firm...not sloppy.

I cannot imagine that the pressure would be different between the euro and US engines.

Was the water pump ever changed?

I had posted about the outside temperature in your area, when I realized I was mixing celcius, and fahrenheit. whoops

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It is a truism that almost any sect, cult, or religion will legislate its creed into law if it acquires the political power to do so. Robert A. Heinlein


09 Jetta TDI
1985 300D