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Joined: Mon Nov 13th, 2017
Location: Pacific North West
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I hope everybody knows defrost runs through the AC and thats why you hear it click when defrost is on. The other thing everybody should know is that the most efficient AC setting is max AC. If you want to improve milage turn you heater control off of defrost when not in use. I ran my truck with the heater control set at defrost and even with the fan off It still clicked. Now I set it on panel and floor when I'm not defrosting or cooling.
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I know my crazy! Do you?
2007 Sport 4door 4x4 4.0L SOHC V6 Ranger