Join Date: Nov 2011
Drives: 2006 Kia Sorento LX 4WD
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2006 Sorento - Heater blows cold air
I have a 2006 Sorento LX with auto climate system. When I have the heater blowing, everything seems fine when I'm doing highway speeds, but if I'm in stop and go traffic (or idling) the fan starts blowing cold air. This happens regardless of whether the system is set to "auto" or not.
I don't know if the problem is that a mixer door is allowing more outside air to come in, or if the heater core suddenly has colder fluid in it.
Any thoughts on the problem, solutions, or testing would be appreciated.