2002 Kia Rio Logo
Posted on Mar 27, 2009
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My car is overheating and I have changed the coolent. But when I turn on the defrost on high heat the only thing blowing out was very cold air. What could be wrong and how do I fix it?

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  • 2 more comments 
  • notacargal Mar 27, 2009

    I was thinking about that but I dont know where it is?

  • notacargal Mar 27, 2009

    I have already changed the water pump bearing about 6 months ago but could the pump itself still be bad? Is there any other way I would know if it was or not?

  • notacargal Mar 27, 2009

    Ok thank you. I think I have to go to auto zone in the morning and find a book.

  • Anonymous May 11, 2010

    change your thermostat?

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  • Kia Master 6,982 Answers
  • Posted on Mar 27, 2009
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Don't have a diagram for yours but any large parts store has decent manuals for about$20 that will help a lot! Need any further info, just ask!! Don't change water pump unless bearing is loose or it's leaking. Your thermostat is likely a 195 degree unit.

  • Anonymous Mar 27, 2009

    Pump either works or it dosent...if the shaft is turning the impeller its working unless somehow you managed to get the belt on incorrectly and you are turning it backwards (really unlikely)

  • Anonymous Mar 27, 2009

    You will fint that the book will help you with lots of stuff besides thermostat location & removal. If you want to keep vehicle for any amount of time it will pay for itself !!!!
    After your'e finished rate my answer was I helpful???

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  • Expert 81 Answers
  • Posted on Mar 27, 2009
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Possible waterpump or thermostat. no coolant flow means no heat and engine overheat

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