Air conditioner not working?

Tiny
ANGELL MCKNIGHT-FITZPATRICK
  • MEMBER
  • 2012 KIA SORENTO
  • 4 CYL
  • AUTOMATIC
  • 124,000 MILES
The A/C no longer blows from the front vents in the dash board. It only blows from the defrost vents. When you turn the air on nothing happens, but if you turn on the defrost air blows. What is this issue? Pep boys said the part that controls the air flow has gone bad. And it will cost $850.00 to fix. Is this true?

Thanks in advance!
Angell
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Wednesday, June 21st, 2017 AT 4:16 PM

20 Replies

Tiny
MHPAUTOS
  • EXPERT
It sounds as if the mode blend door actuator is not working correctly the part codes about $80.00 here is the location of the blend door motor int eh diagrams below I have also included two guides to help fix the issue,

https://www.2carpros.com/articles/replace-blend-door-motor

and

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Check out the diagrams (Below) here are all locations of the blend door motors. Please let us know what you find.
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Saturday, June 24th, 2017 AT 4:49 AM
Tiny
KARLAMISSEY
  • MEMBER
  • 2011 KIA SORENTO
  • 94,000 MILES
My rear AC stopped working. It came on just fine yesterday when I pushed the button, but today when I push the rear ac button all I get is a click sound by the steering wheel. I thought it might have been a fuse because that's where my fuse box is located, but I changed the one marked rear ac and it still wont come on. Any suggestions?
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
KHLOW2008
  • EXPERT
It could be a fuse, the switch, relay or motor.
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
2CARPROS-ARCHIVES
  • MEMBER
  • 2008 KIA SORENTO
  • 32,000 MILES
Air con not working, no air blowing from heaters.
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
DRCRANKNWRENCH
  • EXPERT
If it is just your heater it is probably the air vent doors getting stuck or not opening. If it is the A/C and the heater it might be the blower motoro relay.
I am going to give you a walk through diagnostic on situations where heaters do not work. There iss an actuator that is a little motor that opens the heater doors and other doors as well. Sometimes they are not hard to get to.
Let me know what you think of thiis nad we can go from there. Just use the link below to get to the diagnostic;

http://www.2carpros.com/articles/car-heater-not-working
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
RALANMOTES
  • MEMBER
  • 2006 KIA SORENTO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
The ac went out a few weeks ago and its 100 degrees here in Macon, Ga. I thought it was the refrigerent and tried to fill it but found out the compressor wouldn't kick on. It seems that this car is to young to have ac problems but guess not. I checked all the fuses and relays. Is there anything else it could be other than the compressor being bad.
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
DOCFIXIT
  • EXPERT
Best advise is find an A/C specialty shop have a system diagnosis most will do for nominal fee. Then post and will advise
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Thursday, July 16th, 2020 AT 10:42 AM (Merged)
Tiny
VICKI BRUCE
  • MEMBER
  • 2006 KIA SORENTO
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 120 MILES
I just bought this car. The A/C not working so I popped the hood the A/C belts was there but not on so I put the belt on. Broke a plastic piece on my radiator so had to buy another one. Put it in went to work would not do over forty mph. Then the transmission just stopped pulling. I went sixteen miles. What went wrong?
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
HMAC300
  • EXPERT
Hard to tell what happened unless A/C compressor is bad and drawing down power remove belt first see if it improves. If not scan for codes and check fuel pressure with a gauge auto parts rents gauge and can scan for codes. It may be a two fold problem with fuel and or the A/C part. If it was sold with belt off I would say the compressor is bad so you will not have A/C either once it gets warm enough by you.
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
VICKI BRUCE
  • MEMBER
The A/C belt would cause my transmission not to pull. My vehicle wants pull out of its tracks now.
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
HMAC300
  • EXPERT
In my first reply I said it might not would so to try it off again and see if it is okay. I also said to scan for codes and mentioned a fuel problem so check fuel pressure with a gauge auto parts rent it. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
MY2ANGELS73
  • MEMBER
  • 2005 KIA SORENTO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 97,000 MILES
We were sitting in traffic in near 100 degree weather when the air conditioner suddenly started blowing hot air. What could be wrong
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hello,

This sounds like the system is low on charge and the compressor has kicked off which is common. I would add refrigerant and check the system for leaks.

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

and

https://www.2carpros.com/articles/air-conditioner-leak-detection

If you cant find a leak then the system just needs to be recharged. Please let us know if you need anything else to get the problem fixed.

Cheers
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
JRMEADOWS28
  • MEMBER
  • 2004 KIA SORENTO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 70,000 MILES
My car heater is blowing cold air when not in motion. When in motion, it blows hot air.
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
RASMATAZ
  • MEMBER
Check and test thermostat and coolant level
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
JRMEADOWS28
  • MEMBER
The thermostat has been replaced and the coolant has been filled/checked. However when more antifreeze was added, it did fix the problem for about a week. Whats up w/ that?
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
RASMATAZ
  • MEMBER
Check the radiator if its clogging up and the water pump if its circulating the coolant if okay try bleeding the system could be airlock causing it
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
TERRIEMORGAN
  • MEMBER
  • 2004 KIA SORENTO
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
My A/C started blowing hot air the other day. I took my SUV to have a free A/C test done on it. The mechanic said that the Freon was full and that the problem was electrical and he needed to run another test for $80.00. I was thinking maybe the relay or fuse.
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
KHLOW2008
  • EXPERT
You have a temperature blend door actuator that is not working right. Here is a guide to show you what you are in for when doing the job:

https://www.2carpros.com/articles/replace-blend-door-motor

Here is the location for your car. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.

Cheers
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)
Tiny
WUPHAM
  • MEMBER
Yep, this fixed my car, thanks for the guide.
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Thursday, July 16th, 2020 AT 10:43 AM (Merged)

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