Question about 2003 Kia Sorento
Probably pinched vaccume line or improper alignment of device that vaccume lines are connected to! also could have clogged heater water line.
Posted on Jan 24, 2013
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Posted on Jan 02, 2017
check and see if there is a bleeder screw near the thermostat sounds like it has air trapped in the system i know it sounds weard but alot of cars have started doing this around this time frame. open bleeder screw and run the car until straight fluid comes out of it without bubbles.
Posted on Aug 27, 2009
You most likely have air in the cooling system.You would need to bleed the cooling system of air.There should have bleed screws near water neck,or thermostat.Do this cold.Remove the radiator cap and fill full.Then start the engine and loosen the screws and watch for nothing but coolant to flow out(no air or bubbles).When you are sure the air is gone out of the cooling system,shut the bleeder screw off,and fill radiator up and test to see that engine runs cool,and you have heat at all speeds and rpm s.The electric cooling fan should come on at a tempuratue of about 215 or so.But just as important,the cooling fan should cut off at a lower tempurature.If the cooling fan does not do this,you still have air in the system.If you can not get the air out this way,then do this.Remove the radiator cap and reservoir cap and fill them both up full.The reservoir needs to be over the fill mark a good deal.Replace the caps.Start the engine with ac and heat off.Let it run until the engine gets to about 212 or 215 degrees and shut the engine off.Wait about 30 minutes and check the reservoir to see if the coolant has dropped.It should have dropped.If the reservoir has dropped or not ,do this again and again untill the reservoir drops in coolant level,and engine temp is good(fan goes on and goes off).Remember to refill the reservoir as needed as it drops,not to run out of coolant.
Posted on Sep 21, 2009
I'm going to go out on a limb and say it could be the blend door. This is a door that switches air from the A/C side of things to the heat side of things. Also if you are leaking coolant it could be the problem but I would check out the blend door and make sure that it's working correctly. Good luck and feel free to ask more question!
Posted on Jan 22, 2010
If the heater core is not damaged or leaking ie: if you don't see coolant on the INSIDE of your windshield or coolant on the floor inside the car then chances are you may just need to BLEED the radiator.
remove radiator cap
Fill coolant resovoir to the cold line if the engine is cold from sitting overnight.
Start engine with cap off
Wait till engine gets hot
While waiting you will see a big gurgle of air bubbles come out and the coolant level will drop
Fill the radiator with more coolant to compensate.
When the fans come on and it stops gurgling air install the radiator cap
You are done
Watch the coolant level for the next few days and top off in the resovoir as needed to keep it filled.
Your heat should be very hot now providing you installed the correct oem thermostat correctly.
Hope this helps
Posted on Mar 31, 2010
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