Question about 2003 Kia Sedona

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How do I get the front heater to produce warm, hot heat from the blower? for 2003 kia sedona

The rear heater works fine but the front heater is the blower only and that is cold air, cannot get any warm air from the front heater?

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  • 125 Answers

First I would check your radiator fluid level, sometimes being low can have this effect. Usually the rear heaters sit at a lower level and so keep working. If that is fine, then you probably have an issue with the diversion door or controller that controls the hot/cold mixture.

Posted on Dec 03, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

chuck943
  • 783 Answers

SOURCE: Problem:

Problem is most likely in the electronic blend door motor or the door itself has broken.
To access the electronic temperature blend door actuator remove cassette storage box or center shelf unit, if equipped.
Remove instrument panel ash receptacle by depressing service lever. Disconnect electrical harness connector from A/C electronic door actuator motor.
Remove three retaining screws.
Carefully pull A/C electronic door actuator motor outward and off A/C evaporator housing assembly.Make sure the door it self is not cracked where the actuator hooks to it and that it will move.
Here ia a link to a pick of what you are looking at.

http://i253.photobucket.com/albums/hh43/chuck943/L9819A.gif

Posted on Mar 10, 2009

  • 7 Answers

SOURCE: Ford Windstar SE, 3.8L V6, 1999, front seat heat/defrost is cold

the blendor actuators strip out the gear inside the actuator cases on these all the time. replace the actuator.

Posted on Mar 19, 2009

  • 2 Answers

SOURCE: My heater fan switch won't turn on blower and I

thermostat or the divider door

Posted on Dec 03, 2009

  • 79 Answers

SOURCE: my kia sedona van only heats up for a minute or

Check the metal part of the heater core lines at the firewall if you can get to them and see if one side is noticeable colder than the other. At least one of them should be hot or you have a bad thermostat. If both are hot than your hot/cold actuator inside is having a problem

Posted on Jan 11, 2010

  • 31 Answers

SOURCE: KIA SEDONA HAS REAR HEAT BUT NOT FRONT HEAT

This could be a serious problem. Check your coolant level, then check the rear heater lines that supply coolant to the rear heater. They run under the van, over time they rust and leak. Because it is under and to the rear of the van it is hard to notice, i.e. coolant puddles and smell. But please note that this engine has aluminum cylinder heads and does not take kindly to being overheated.

Posted on Mar 08, 2010

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1 Answer

How do I get the front heater to produce warm, hot heat from the blower? for 2003 kia sedona


If the heater hoses for the front heater are getting hot, it could be a blend door problem under the dash.

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KIA SEDONA HAS REAR HEAT BUT NOT FRONT HEAT BLOWERS WORK BUT ONLY COLD AIR COMES IN FRONT


This could be a serious problem. Check your coolant level, then check the rear heater lines that supply coolant to the rear heater. They run under the van, over time they rust and leak. Because it is under and to the rear of the van it is hard to notice, i.e. coolant puddles and smell. But please note that this engine has aluminum cylinder heads and does not take kindly to being overheated.

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2003 kia sedona over heating and no heat


Check your rear coolant lines, These lines always rust and start leaking coolant and thats why your engine over heats and you dont get any heat inside your car. This is a common problem with kia sedona that have rear A/C and Heater. There are two fixes to this problem. The first is to replace the rear heater coolant lines with the updated lines from kia. The second will be bypassing the rear coolant lines with a hose, however the rear heater will not work with this method.

removing the rear coolant lines is not that easy. The lines near the fire wall are really hard to remove. Its also much easier to replace the lines with the car on a hoist.
hope that helpfull

Kia mechanic

Dec 29, 2008 | 2003 Kia Sedona

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