E-450 Stuck on Defrost Mode
I suddenly have cold air coming through defrost vents only, not through dash vents. Defective parts are buried behind firewall on engine side, not accessible without much complicated disassembly. A n...
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In my case rats had chewed through the hose. Seemed like was $150 or so if memory serves. Did have a bit of trouble finding someone that had seen if before and knew how to fix it
