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On Sun, 2006-06-04 at 20:08, Dave Sanderson wrote: > Hi > > Thanks for the friendly advice. I can't see how the flaps themselves > direct flow - they seem to be a doorway only. If it does not make > sense to remove the flaps how do you folks test to make sure that > they open and that they open at the correct time? Shall I boil the > little springy thing that sits under the case? At what temperature is > it supposed to open? > Don't boil it outside the bracket. It will explode, and be ruined. New ones are NLA. The opening temp is 65-70 Centigrade. At that temperature, the shutters should be all the way open. At normal room temperatures, the the flaps should just start to open. All linkage should operater freely. With the spring in place, and something breaks or fails, the spring should pull the flaps wide open. -- Russ Wolfe '71 FB AT '66 FB MT '64 T34 (not running) '65 T1 (not running) '05 KIA Sorento SUV russw@classicvw.org http://www.classicvw.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~