Question about 2003 Jeep Liberty

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Over hearting Hello this weekend i was driving my mother's 2003 jeep liberty 6cyl i was sitting in the drive through at mc donalds when the idiot gauge started blinking and it was dinging.... i had the ac off but I had the knob on the blue side.... i parked it for a few mins and it started to come down... i checked the antifreeze in it and it was fine (yellow stuff) do you have any ideas where i can look or check??

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Hi Fooch!

Does the Jeep have electric radiator fans, or is it a conventional engine pulley mounted fan?

Your description sounds like fan failure, wherein the engine overheats when stopped or moving very slowly, due to not enough air being moved through the radiator to cool it down.

This can be confirmed by sitting stopped until the temperature goes up and then driving at normal road speed... if the temp comes back down, this is the problem.

With electric fans, this can likely be caused by a bad fan temp sensor, bad fan motor, bad fan relay, or by a wiring problem...among other possible causes.

With a mechanically driven fan, this can be caused by a bad fan viscuous clutch, missing fan shroud, or possibly loose belts.

A bug/debris clogged radiator will exacerbate the problem, whichever type fan you have, so a trip to the self-serve carwash to clean the radiator is not a bad idea, either.

Hopefully this will help and get Mom off your **** for breaking her car. Let me know how it goes or if you have more questions, and GOOD LUCK!!!


Posted on Jun 16, 2008


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Posted on Jan 02, 2017


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