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On Mon, 2002-11-04 at 23:21, Peter Legault wrote: > > > The 71 AT would be one of the best years. There should NOT be any > noticable kick on the downshift (I assume you mean the off-throttle > downshift > that happens as you slow down.) If his does, it most likely means that he > has a bad vacuum modulator, the wrong vacuum modulator, or it is the right > one, but it is misadjusted. > > Unlike most cars, the VW vacuum modulator must be adjusted when it is > installed. The Bentley manual covers the proceedure. > > My automatic does the same thing shifting up and down from first to second > and vise versa. I have adjusted the original modulator and also tried > replacing it with a new one. I can't seem to get it to stop. Adjusting the > modulator simply changes the shifting rpm. I have just learned to get used > to it, but would very much like to correct this annoying problem. > The modulator adjustment mainly controls when the trans shifts, not how it shifts. The harseness is controlled by the accumulators inside the trans. These are "shock adsorbers" for the clutches and bands in the trans. First thing I would check would be the trans and motor mounts. I have seen a lot of these loose. My parts car had one nut missing, and the other stud stripped when I pulled the trans out. -- Russ Wolfe '66 FB MT (It drove) '71 FB AT '65 Bug (not running) russw@classicvw.org http://www.classicvw.org ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/