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On 23 Oct 2004 at 11:39, knowonelse wrote: > Digging into my car I realized that there are > pairs of small (1" dia) fittings that should be > connected between the elbow off the fan duct and > the heat duct where the heat goes into the body. > > Other than adding fresh air to the heater ducts, > what is this arrangement supposed to do? There is a thermostat in each heater mixer box (on each side of the nose of the tranny.) If you're delivering good hot air into those boxes, but no cool air, then the thermostats will get broken and hot air will be allowed to spill out of the top of the boxes. Adding the cool air really helps by adding significant volume to the heated air. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~