Question about Kia Sedona

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I have a 2004 Kia Sedona. The engine cooling fan (not condensor fan) will not turn on and the van overheats when idling. I've replaced the fan thinking that the motor had burned out, but the new one doesn't work either. I've checked the fuses and relays and they are all okay. I have been researching and think it may be the temperature sensor or temp sensor relay. What are your thoughts?

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  • wmhupp May 07, 2010

    I have a 2004 Kia Sedona. The engine cooling fan (not condensor fan) will not turn on and the van overheats when idling. I've replaced the fan thinking that the motor had burned out, but the new one doesn't work either. I've checked the fuses and relays and they are all okay. I have been researching and think it may be the temperature sensor or temp sensor relay. What are your thoughts?

  • wmhupp May 07, 2010

    Thanks. Can you tell me where that is on the Kia Sedona? Is it something a novice can do?

  • wmhupp May 07, 2010

    Thank you. You're awesome!

  • wmhupp May 09, 2010

    I'm working on trying to find the temp sensor for my 2004 Kia Sedona. I was told it was near or on the thermostat, but I don't see it. Anyone have a pic or diagram of where it is? Do I need to be under the engine or can I get to it from the top? Please help.

  • wmhupp May 09, 2010

    I replaced the temp sensor and I have replaced the cooling fan (which is from a salvage yard), but the fan still does not kick on. I was told that turning the AC on triggers the fan to turn on, but it doesn't. Is that true? Could I have a bad fan? Any help will be greatly appreciated.

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  • Master
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Take a look at this...

I have a 2004 Kia - ea7116b.jpg

it order to get the cooling fan to turn on you need good power through the low cooling fan relay, which you siad is good

However, the cooling fan relay 2 (high) must be energized in order to get ground

to get the relay to energize ground the yellow/white wire

there are lots of other possibilities here but most of the time I find the pins loose at the relay(s)



Posted on May 07, 2010

  • Sean Reisdorf
    Sean Reisdorf May 09, 2010

    sorry, don't have anything better that this



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  • Master
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If relays and fuse is ok, then the temp sensor needs to be changed.

Posted on May 07, 2010

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  • Nate Stansfield
    Nate Stansfield May 07, 2010

    Yes a novice can do it. Just disconnect negative battery cable, follow upper radiator tube to thermostat housing. On housing or next to it is the temp sensor. Unplug wire harness, use a long deepwell socket or a wrench and turn counter-clockwise to remove.


  • Nate Stansfield
    Nate Stansfield May 07, 2010

    Not a problem! Anytime! Thank YOU for using Fixya and being an awesome customer! Come back anytime!

  • Nate Stansfield
    Nate Stansfield May 10, 2010

    If the relay and temp sensor are new, then the fan may be faulty. If the a/c is on and fan still doesn't turn on, it is likely faulty. You can always disconnect the wires to the fan and place a voltmeter on it, then try different temp and a/c settings with vehicle running (idling for 10 minutes) and see if you get a reading on the voltmeter. If so, fan is bad, if not, you could have bad fusible link if you have one on this.

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