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Air conditioner not working

Tiny
GENE SHERMAN
  • MEMBER
  • 1 POST
You didn't indicate one problem it might be happening if the AC is turning on and off and that was the original problem. Then it gets hot and cold, then all of a sudden the power steering doesn't work as good and here's a big screech it sounds like some bearing is seizing up intermittently and causing the accessory belt to start slipping and that would create the screaching sound. What do think?
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
So when you say the low side reads retard do you mean its reading as a vacuum instead of pressure?This is with the compressor off correct?
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Hi Gene,

Thanks for the contribution. However, this was from 2012 so I doubt they will get back to you.

Please let us know if there is anything we can help with by posting a new question and one of us will help get your issue resolved.

If not, enjoy the site. Thanks
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
TCSKAGGS
  • MEMBER
  • 7 POSTS
The retard is meaning too much pressure on the low side. And yes this is when the compressor is off.
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
When the compressor is off its going to read higher then it should when the a/c on it should 130psi like the high side. Your low side gauge must one of gauges that just reads blue yellow red. My gauge set reads actual pressure of both the high and low side.
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Have you added any charge yet?
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
TCSKAGGS
  • MEMBER
  • 7 POSTS
No not yet
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
It sounds like you have enough pressure to turn the compressor on. Have you checked to see if your getting power ground etc to the compressor when turn the a/c on?
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SPARKSAUTO
  • MEMBER
  • 1 POST
I have a kia Sedona 2012 there is a/c in the system, a/c only comes on when engaged manually
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
If you could please start your own question we would be more then happy to help you. Its way too confusing for everyone involved to answer more then one question per question.
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Thursday, September 5th, 2019 AT 4:40 PM (Merged)
Tiny
ELI224
  • MEMBER
  • 1 POST
  • 2002 KIA SEDONA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
My air conditioner stopped working and I noticed the the cooling fan (the one listed by the passnger side of the engine) does not work when you turn on the air. The A/C blows hot air. Also, I'm not sure if this is related but there is a humming sound when I drive. Could it be the compressor, or could this be two different things.
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Thursday, September 5th, 2019 AT 4:43 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Lack of cooling fan can lead to a compressor failure. It needs to be checked with a set of pressure gauges by a professional so nothing gets overlooked.
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Thursday, September 5th, 2019 AT 4:43 PM (Merged)
Tiny
LARRYSTIRE
  • MEMBER
  • 1 POST
  • 2002 KIA SEDONA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,076 MILES
Air not blowing cold. We replaced a c compressor, dry7er, fully charged freon, control panel in dash
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Thursday, September 5th, 2019 AT 4:43 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the air blend door if its stuck in the heat position
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Thursday, September 5th, 2019 AT 4:43 PM (Merged)
Tiny
ROBBY REED
  • MEMBER
  • 1 POST
I have a 2007 kia rio that the ac will not blow cold air. It is full of freon the compressor works and the fans work. Can not figure out what's causing it not to get cold. Any suggestions. Thanks
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Thursday, September 5th, 2019 AT 4:43 PM (Merged)
Tiny
NEILL JONES
  • MEMBER
  • 3 POSTS
  • 2006 KIA SEDONA
  • 3.2L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 145,263 MILES
The A/C worked perfect until recently. I have tried to add a re-chill kit and nothing. The compressor and or condenser will not cycle on. Any suggestions?
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Thursday, September 5th, 2019 AT 4:44 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuses in car and under hood and relay pull out memory fuse with car running first though that may be it if you replaced battery.
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Thursday, September 5th, 2019 AT 4:44 PM (Merged)
Tiny
NEILL JONES
  • MEMBER
  • 3 POSTS
All fuses are good.
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Thursday, September 5th, 2019 AT 4:44 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
If the relay does not work it will not turn on compressor so have it scanned for codes it may be some type of control problem.you can either switch relay with another to test or do this to test relay. also, if system was low on Freon it would not start either and I do not know if you have auto or manual A/C if it is auto A/C you have to have it scanned as there are too many sensors that can go bad causing your problem.
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
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Thursday, September 5th, 2019 AT 4:44 PM (Merged)
Tiny
NEILL JONES
  • MEMBER
  • 3 POSTS
Okay, so I added Freon and checked the relay witch is good also checked memory fuse and etc. Still nothing.
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Thursday, September 5th, 2019 AT 4:44 PM (Merged)

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