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  #1  
Old 07-16-2012, 04:17 PM
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AC fan quit

I've got almost 12k on my Overland in 5 months and I've done a lot of driving lately in this crazy heat. Last week it was 104F driving back from Burlington and the AC worked great. This past weekend a trip to Pinehurst and again no problems. Today I was driving back from Charlotte, about 91F on the road and I noticed that there was a lot of heat coming off the windshield and dash. I put the climate control on "Auto" and that raised the fan speed but there was no air out of the vents. I cycled the air direction and there was no noticeable change. He guessed as I did that the fan door was somehow not opening.

I drove right to the dealer on my way home and dropped off the car, and the service manager duplicated the issue while I was there. He just called me and said that the mechanic could not duplicate the issue. He thinks that the evaporator coil froze up and thawed before he got to it, and that fixed the problem. He said that sometimes happens with high humidity but it wasn't any more humid today than it has been. He said that I should be using the recirculation mode but I never use that setting as I prefer fresh filtered air.

Does anyone have any experience with this?
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Old 07-16-2012, 05:48 PM
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Re: AC fan quit

Exactly the same

http://www.jeepgarage.org/showthread...897#post650897
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Old 07-17-2012, 02:46 PM
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Re: AC fan quit

Mine did this last year twice...it was hot and humid out probably 100 degrees with the humidity...I shut off the vehicle and restarted it. It worked fine but it shot a white powdery substance out of the vents for like 5 seconds before running normally again. Never happened since...any ideas on what the white powder was? I'm not a drug runner lol
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2011 Jeep Grand Cherokee
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Replaced '06 Overland with the '11


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Old 07-17-2012, 07:39 PM
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Re: AC fan quit

Maybe it was snow.
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Old 07-17-2012, 08:16 PM
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Re: AC fan quit

If it disappeared quickly it was frost. Used to get that on a '97 Ford van I had. It would freeze up on long drives in humid weather. Never could get it "fixed".
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