Question about 2003 Kia Sedona
Probably not the water pump. The most common cause is rusted out/leaking underbody heater rear heater lines. The steel portions of the lines rust and leak coolant. The low coolant level will cause the engine to overheat. If overheated repeatedly these engines will usually warp the cylinder heads. This will cause severe overheating and may damage the radiator and other components due to combustion gasses entering the cooling system. A cooling system pressure test should be done to check for external leaks, and a block test can be done to check for the presence of combustion gasses entering the cooling system.Make sure to check coolant level in the radiator when cold, NOT in the reservoir on the inner fender. This could also be caused by something as simple as a thermostat or radiator fans that aren't working.
Posted on Jan 09, 2013
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Posted on Jan 02, 2017
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