Quote:
Originally Posted by bobs
Sounds like your duovalve is in need of a re-build or replacement. They go all the way hot when they fail.
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When mine failed, it went cold on the one side... Couldn't get heat to the passenger side. Replaced it, and all was well...
Do the doors for the air handler box in the dash open and close properly?? When you change your airflow fully to the floor, does air still come out the side vent when the fan is on?? (best tested with the fan on max)