Over heating

Asked by BamaGeorge Oct 28, 2018 at 11:22 AM about the 2004 Kia Sedona EX

Question type: Maintenance & Repair

I have a 2004 Kia Sedona minivan .. it started
having overheating problems so I took it to the
radiator shop they flush the whole system.. it's still
acting up so I replace the water pump and
thermostat.. it's still acting up so I replaced fan
temperature sensor and all the hoses except for
rear end hoses.. it will sit in idle a good while
before it starts coming up and if you cut the
interior heat on it will bring it back down.. but after
awhile it will go up.. I find water in the oil and
nothing coming out of the tailpipe like steam or
dripping.. can anyone help..

4 Answers
159,085

Bob answered 6 years ago

If you are finding water in the oil that is a sign of a bad head gasket or a cracked cylinder head. I would have the cooling system pressure tested and run a compression test on the engine.

Mark helpful
9,730

Mike answered 6 years ago

You said you have water in the oil? If so it would suggest a bad head gasket or cracked head. Are the cooling fans coming on, if the heater fan can bring the temp down the cooling fan should have no problem. Did you change the right sensor?

Mark helpful

BamaGeorge answered 6 years ago

I'm sorry that was a typo it was supposed to be no water in the oil.. but it was suggested to me that it could possibly be the the ECM or the ECU does that seem reasonable to you all..

Mark helpful
9,730

Mike answered 6 years ago

Yes the ECM is tough to test but it's always suspect you've changed the temp sensor check to see if the connector has a brown wire and a blue/orange wire. If yes I would look at the ECM because there are 2 relays in the circuit and both wouldn't go bad at the same time

Mark helpful

Your Answer:

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