2009 Ford F-150 Overheating with Air Conditioner on???


Old 07-10-14, 06:52 AM
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Join Date: Jul 2014
Location: USA
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2009 Ford F-150 Overheating with Air Conditioner on???

I recently bought a 2009 Ford F-150 XLT. Recently (last weekend) I started to get a "loud squeak" from under the hood. This morning, I looked down and the temp gauge was all the way maxxed and the warning light / symbol was on. I immediately reached down and turned off the air conditioner and slowed down. The temp gauge went back to normal within 30-45 seconds of turning off the a/c. I then drove regular speed on highway, no temp fluctuation, then I turned the defrost on to check...and the temp shot up again.

Considering I just bought this truck a Month and a half ago...I am pretty preturbed...but I simply do not know what I need to do. We are trying to save for a family vacation and I just can't do $500 at the Ford Dealer and I need help.

Any help would be great.

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Old 07-10-14, 07:43 AM
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Join Date: Mar 2005
Location: USA
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Welcome to the forums!

First you need to make sure there is enough coolant! also check to make sure the electric fan comes on.
Old 07-10-14, 08:29 AM
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Join Date: Oct 2004
Location: WI/MN
Posts: 18,755
Front of the radiator clean? Sometimes that can get full of bugs and other junk and reduce the capacity.

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