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'93 heater control 200

uid 27's pic
posted by  Art Benstein on  Fri May 1 05:04 CST 2009
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

Hi there,

To verify if any heater control valve is closing, you need only feel either inlet or outlet hose. If the valve shuts off, there will be no flow, therefore no heat brought by coolant flow. The only possible reason for it to be warm would be conduction, which would take a long time to reach that far into the cabin.

I've got lots of experience with the metal (Ranco) valve, but none whatsoever on the plastic one. From the photos in Tatra Mike's pictorial, I would guess it is a simple valve that can only be adjusted by setting the stop on its actuating cable, to make sure it is not limiting the travel.

If you find this doesn't do it, please give the defective valve an autopsy and let us all know why we should or should not use them. The Ranco valves are again affordable, after a long time of unobtainability. You have an opportunity to be a pioneer!
--
Art Benstein near Baltimore

When a clock is hungry, it goes back four seconds.






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