Quote:
Originally Posted by ironandsteel
Since I get heat always, I suspect that the heater valve is stuck on, and I've read in the tech article that these are failure prone. But I also understand that they are normally on, so even if no power to the valve you get heat- so I guess the valve could be stuck, or it could be electrical?
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Remove the guts to the monovalve and make sure that the diaphragm isn't torn. You would normally have heat that would drop at speed if the diaphragm is torn but you need to make sure that it is in good shape.
see this PN on this site.
000-835-06-44-MBZ I had continuous heat and stopped it by changing the electronic windings that surround the monovalve. Remove the 4 screws for access.
see this PN.
000-830-37-84-MBZ I like yard prices better.
The other issue is vacuum pods leaking ant the air flaps not working right or the push button unit having cold solder joints.