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On 30 May 99, at 8:38, Charlie wrote: > I have a problem I am frustrated about. > > You know that piece that screws into your valve stem on the spare, the > hose that goes to a screw in valve/pressure contraption that is secured > by screwing it down into the fluid reservoir bottle for the windshield > wiper fluid .... > > Well, that valve pressure control thing seems to fail... a lot. I have > 3 of them. All of them have wo'Öw¿ one time. I recently bought a > new Bosch piece.... worked for about a week, then just stopped. So > what's the deal? The rest of the system is free and clear. The valve I > am supposing, is supposed to pressurize the bottle when I screw it in, > but it is not.... I can't seem to figure out how exactly it is supposed > to work. I have even cut one in half but it remains a mystery. It's supposed to be a pressure regulator that lets air out of the spare tire only as long as the pressure stays above some number. There are black ones and red ones and the red ones keep the spare at a higher presssure than the black ones. I think the red ones were introducd only around 70, for use in squarebacks. My 68 came with a black one, all my 70- squares have been red. Bosch? Are you sure? I didn't think Bosch had anything to do with this part, and where did you find your part? Yes, they all seem to fail at some point, I would LOVE to see one cut open. If I paid shipping both ways, would you mind if I took a look at your parts? JIm - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe