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2003 hyundai elentra overheating and already did alot of standard procedures to fix the problem and still overheats. Car vurrently has 64k on it. Here is the history. Last year it overheated and changed the thermostat, radiator and fans. Work fine and now this year again. The radiator had a very muddy cap. As if mud was in the radiator. We flushed the radiator checked all hoses for leaks filled with new coolant. Ran okay for about 30 miles and problem started again. Changed water pump, timing belt while at it,as well as the radiator cap. Another 40 miles and again the car is overheating. Did a pressure test and it was fine. Also did a compression test for each cylinder, and that came fine. Even checked spark plugs wires and changed the spark pkugs as well. However the coolant keeps disappearing somewhere but no leaks to be found anywhere. Think maybe its the head gasket but there is no white smoke out the exhaust or any other indications that it really is a head gasket since we did all these test. Some please advise what the hell else this mystery of a car needs to get fixed.

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The only other thing I can think of is maybe you put in the wrong kind of coolant? Not every type of coolant works in every car. Other than that, try head gasket sealer because if your head gasket is leaking, it can't be a big leak, otherwise you'd have problems right away.

Posted on Jul 17, 2013

  • arkadiy Jul 17, 2013

    Called dealer and asked which coolant is best and used their recommendation. Was thinking of trying the head gasket sealer. Will let you know what happens. Thank you

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