Question about 2002 Jeep Liberty

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2002 LIBERTY OVERHEATING:

Why does jeep only overheat at highway speed?have changed thermostat,flushed coolent system,and the fan is coming on,and fuse looks good

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  • Anonymous Apr 18, 2009

    2002 jeep liberty overheating. radiator flushed twice, thermostat replaced,

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Mothers Jeep did the same thing. We changed the water pump and solve the problem. heater worked amazing after swap also!

Posted on Mar 11, 2009

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Do you have a "check engine" light on? A bad temp sensor would give a wrong reading. Do you get heat from your heater core? Also make sure you are getting a good flow from catalytic converter and muffler so you know they aren't plugged heating up engine temp. Also make sure all your heat shields are in tact. Are you using 50/50 mix or mostly water? Though in cold temps you normally want to use more antifreeze less water, I would try more water, less antifrezze.

Posted on Mar 11, 2009

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it has to hold pressure or it will get too hot,
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I take my IR heat gun and check all rad tubes
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