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Yes, they are drainage flaps. I think the way they work is that they close when the engine is running due to the vacuum, and they open when at rest to drain the water out. > I was poking around under the back of my fastback this evening and noticed > two things. > > What on earth are those wee flaps under each wing for? The are rectanglar, > spring loaded and open out the way from the inside of the wing. > > The only thing we could guess was for drainage as there appear to be > gutters running along the inside of the rear wing to carry away rain from > the air intakes. > > If they are for drainage why did VW use something like that and not just a > drain hole? ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe