Question about 2005 Hyundai Santa Fe

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05 Santa Fe 3.5 overheat at idle,ok going down road. coolant level ok, fans ok.

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Hi, sounds like a clogged radiator, i have seen this problem in other hyundai cars, not on the santa fe though. if you have availibility to a large floor mounted or post mounted fan(just about any larger fan will work) put it in front of the radiator when it is over heating and see if the temp cools at all. there maybe either be something clogging the flow on the outside of the radiator, or possibly inside the radiator. The only other thing to check is the thermostat, stuck thermostats can go either way, stuck closed or open. or even partially open so as to restrict flow greatly. it would be a good idea to have it replaced no matter what you find actually causing the overheat condition. hope this helps.

Posted on Jun 06, 2010

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