4X4 and HVAC problems
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4X4 and HVAC problems
Okay, so I have a 2006 Expedition. Recentley when running the heat or air conditioning it has been stuck on one constant fan speed(high). It has the electric automatic controls for the hvac. When i select off it defaults to defrost on high fan speed. The only way to shut the hvac off is to turn the expedition off. Also, while troubleshooting yesterday i realized that my 4X4 will not engage anymore. So i'm assuming I have vacuum issues. Can someone please point me in the right direction. Thanks in advance.
