Jeep overheats when A/C is on! - : Jeep Wrangler JK Forum
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post #1 of 3 Old 08-24-2018, 07:20 PM Thread Starter
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Jeep overheats when A/C is on!

At highway speeds (55mph +) with the A/C on my 08 JK Sahara keeps overheating. Coolant temp normally runs at 206 degrees and then the fan will kick on in high speed bringing it back down to around 194. While driving faster than 55mph the coolant temp will keep rising however, going up to the 230ís if I donít slow down and turn off the A/C. Pretty sure it will keep rising but obviously Iím not trying to find out so I always have to slow down and shut of the A/C. I can manage driving at 60-65 with the windows down and keep a comfortable coolant temp, but Iíd like to solve this issue. Any suggestions??

2008 JK Sahara
Dana 44ís w/ E Lockers
5:13 gears
37Ē Pro Comps

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post #2 of 3 Old 08-24-2018, 08:20 PM
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Is there anything in front of the grill? (Lights, winch, etc.)
Are the front fender liners and front air dam still in place?

2008 Unlimited Rubicon Automatic

Last edited by ronjenx; 08-24-2018 at 09:10 PM.
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post #3 of 3 Old 08-24-2018, 08:27 PM
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It's a 2 speed fan does the fan turn on high with the ac on?.

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