Having problems with your Kia Optima ?

Overheats - Optima Kia Cars & Trucks

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

This could be a number of things. I would start with the simplest first and that would be to make sure that there is coolant in the radiator. Next I would check for leaks in the cooling system, like the heater core hoses, water pump, radiator, and radiator hoses. If all of that checks out then you may have a bad fan/fan switch, clogged radiator, a bad thermostat or a bad water pump.
\015\012after you start the engine and the temperature starts to rise, you will want to see if the cooling fans come on. If they are not kicking on, then that is the issue, and that can usually be remedied by replacing the cooling fan relay. If it is not the fans, then you will want to further investigate the following. If it is the radiator, you may be able to drain and flush it or take it to a radiator shop and have them boil it out. If it is the thermostat, then you simply have to replace it and if it is the water pump they will usually leak and you will have to replace it.
Could be a bad or missing fan belt or a bad thermostat for starters.
Repair Help & Product Troubleshooting for Kia Optima

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