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Group: Forum Members
Last Login: 12/21/2005 8:00:54 AM
Posts: 3,
Visits: 3
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Hopeing that someone will have the answer. 01' TJ I-6, air intake, throttle body spacer, chip and magnaflow exhaust. New 180 thermostat, water pump, and radiator(and compression tested). I have an overheating problem. engine runs great at high and low speeds with A/C off. The second the A/C kicks on she starts to run hot. At high speeds stays around 210. When on the trail or snailing through traffic runs about 230-240 before it jumps into the red (which usually happens) I'm out of ideas and hopeing someone might be able to point me in the right direction. Thanks.
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Group: Forum Members
Last Login: 10/16/2012 12:43:18 PM
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well , the jeep isn't really that old yet, but maybe you already have a plugged radiator or as a second choice, a malfunctioning fan clutch. sounds like it won't stay cool unless there is a lot of air flow thru it.

Jeepless Troll
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Group: Forum Members
Last Login: 8/23/2011 7:21:42 AM
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Spray out the radator because it fills with all sorts of dust and crap.
Also, there is a TSB(Tech Service Bulletin) to reflash your computer add a heavier fan clutch and a 7 blade fan. You have to pay for this, as the problem isn't common enough for it to be a recall. After doing all this to my 01 TJ, no more overheating.
Cheers, John
Originally Posted by Josh83 View Post
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Group: Forum Members
Last Login: 12/21/2005 8:00:54 AM
Posts: 3,
Visits: 3
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Thanks for the help. I had my fan clutch checked out and was told it was good. I'm going to look into a heavy one and try to find a 7 blade fan. How can I reflash my computer? Thanks. Rob
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Group: Forum Members
Last Login: 12/21/2005 8:00:54 AM
Posts: 3,
Visits: 3
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Can't find a heavy duty fan clutch or a 7 blade fan. Who did you get yours through? Stupid question but what is the size of the fan 16" or 17"? Stores keep asking me and I don't know. I have basically the same TJ as you do.
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