car overheating

Asked by Jun 09, 2017 at 05:37 PM about the 2005 Kia Optima

Question type: Maintenance & Repair

my 2005 kia optima has started overheating after driving it a good distance. it usually doesn't get all the way into the red and turning the A/C off and the heat on will make it go back down but driving with the heat on in the middle of june is no fun. My dad looked at it and the fans work fine, the head gasket is fine, we just replaced the radiator and all the hoses that go with it last summer, its not leaking coolant, and the water pump was replaced about 3 years ago. it seems like everything should be fine, but it still overheats. why?

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