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#1 (permalink) Old 11-03-2006, 01:21 PM
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Unhappy NO heat inside??

I have a 2004 Sorento EX and for some reason the heat just stoped working. Air is coming out but its just cold. Has anyone had of heard of this problem? I have an appointment but its not for two weeks and this is the wifes truck! She is not happy at all right now.

Thanks in advance!

G
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#2 (permalink) Old 11-03-2006, 03:48 PM
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First, is the air being pulled in as cold as the outside air or is it a bit warmer (but not warm enough)?

If it's cold, you could be looking at a plugged heater core. Another posibility is this.

Let us know what you find out.

-- Christian
(Formerly) '02 Sedona EX 3.5 V6
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#3 (permalink) Old 11-05-2006, 07:53 PM
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heater core sounds more like it...maybe the thermostat also? someone told me along time ago that if the thermostat f's up than it could cause it to not blow hot air. could be wrong tho.
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#4 (permalink) Old 11-05-2006, 09:53 PM
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If the thermostat is stuck shut, then yes. Possibly also cause the engine to run hot or overheat. OP should watch the temp gauge (is there one?) to see if it runs higher than usual.

-- Christian
(Formerly) '02 Sedona EX 3.5 V6
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#5 (permalink) Old 11-11-2006, 10:36 AM
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Quote:
Originally Posted by Inky
If the thermostat is stuck shut, then yes. Possibly also cause the engine to run hot or overheat. OP should watch the temp gauge (is there one?) to see if it runs higher than usual.
Its the other way around, if the thermostat is stuck open then there well be no heat. If its stuck shut then the car well over heat, But well still have heat inside. Thats why they say if your car is over heating put the heat on the windows deforst. It well help keep the tempeture down for a little bit longer to you get it to where ever you go.
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#6 (permalink) Old 11-11-2006, 11:08 AM
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Oh, had the stuck shut/overheat part right. I don't know what I was thinking on the heat. Thanks for clarifying that!

Wouldn't there still be heat if it's stuck open. It would just take longer, right?

-- Christian
(Formerly) '02 Sedona EX 3.5 V6

Last edited by Inky; 11-11-2006 at 11:16 AM.
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#7 (permalink) Old 11-11-2006, 03:09 PM
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there would be heat but it would take a very long time to heat up. I had my thermostat pulled on my carmaro because it was overheating and i was 8 hours away from home. Once I started it up after being cool it took me a half a hour to get it blowing warm air. with a 4cyl i think it would still take atlest 20 minutes
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#8 (permalink) Old 11-27-2006, 11:29 PM
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Smile Loss of heater output

I don't know if this relates to other KIA models but this is what caused loss of heater output on my 92,000 mile 2002 Sportage:

The position of the air temperature valve in the air conditioning housing under the dash (which determines how much of the total airflow is permitted to pass through the heater) was stuck. The valve position determines the warmth of the overall air flow that is sent into the passenger compartment. This door-like valve redirects air flow. In some positions such as defrost the AC comes on to dehumidfy the air to aid in clearing the windows during high humidity. The loss of heater output was accompanied by an unusually loud heater fan with low airflow. Daily driving round trip on a mile of dusty dirt road to and from our house produced a lot of dust in the unit. The dust, when mixed with AC condensate made quite a mess.

In my case, disassembly and a thorough cleaning of all moving parts solved the problem.

Last edited by Dr. Detroit; 11-27-2006 at 11:32 PM.
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#9 (permalink) Old 12-10-2006, 08:24 AM
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stop driving your car immediately.
my wifes 2003 serento did the same thing she was low on antifreeze.
after filling (1 gallon low) i looked for a leak and found it on the bottom of the plastic radiator bottle (under pressure) replaced it myself at a cost of 120.00 from kia. this appears to be common over 60,000 but kia will not acknowledge this problem and if your engine over heats and has damage kia will not warrenty the motor
please let me know if this was the problem
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#10 (permalink) Old 01-03-2007, 09:30 AM
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Default I'm getting the lukewarm air too, no leaks, full anitfreeze

How difficult is it to replace the heater core on a 2002 Sedona?
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