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Posted on Aug 30, 2012
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2004 chevy aveo when i turn ac on it runs hot and when i turn ac off it cools down

What is causing my car to run hot? When I run the Air conditioner it gets hot and when the air conditioner is not running it is fine

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Marvin

Marvin

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  • Chevrolet Master 85,242 Answers
  • Posted on Aug 30, 2012
Marvin
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Joined: Jun 20, 2008
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The AC puts allot of heat load on the engine so of course it will run hotter but not overheat the engine, if that happens you may have a clogged radiator.

5 Related Answers

Frank Chen

  • 330 Answers
  • Posted on Jul 10, 2008

SOURCE: 2005 chevy aveo hot key problem and air conditioner

If it is smell like rubber, that means maybe the electric wire too hot and some places short. be sure to check it.

This situation sometimes caused blow up fuse.

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Anonymous

  • Posted on Sep 28, 2008

SOURCE: bmw x5 air conditioner

i took mine to BMW... its a bad resistor.. glove box has to be removed

Anonymous

  • 1 Answer
  • Posted on May 20, 2009

SOURCE: 2002 Outback air condistioning

It's probably the revolution sensor. see http://endwrench.com/images/pdfs/Service07MayEW.pdf

roniecon

Ronny Bennett Sr.

  • 6988 Answers
  • Posted on Jul 06, 2009

SOURCE: I have air conditioner problem whit my Toyota

are the cooling fans running when ac is on ?if not this is ur problem,,,if they are on then u have a temp door in the ac duct system that is closing if it is an actuator motor u will have to replace it ,if it is vacuum,check for a bad vacuum check valve or bad vacuum hose near fire wall(near windsheild)

Tech jk

Tech jk

  • 102 Answers
  • Posted on Oct 15, 2009

SOURCE: 2006 Chevy Equinox a/c works great but no heat what so ever ?????

If the blower is blowing air just fine, but you cannot control the temperature, you need to listen to air coming from the vents while turning the temperature from hot to cold. If you do n ot hear any change in airflow, then you may a temperature door in the dash broken. this is becoming a common problem on the Equinox
Tech JK

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2005 Chevy Aveo blows hot air at idle. I just replaced electric fan and new radiator.
Question edited for clarity.
Question moved from AC Cars, makers of the AC Cobra.

It could be many things.
AC / Heater Switch
AC Clutch
Fuses and Relays.
Body Control Module communication issue.

You need an AC specialist or an auto electrician with a pro grade scan tool computer. some ideas in the link

https://www.google.com/search?q=2005+chevy+aveo+ac+blowing+hot+air

..
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The guage needs to read between 35/40 psi.. If its much higher you may be overfull, this causes it to not cool.. Fix by letting some freon out, then top it back to needed pressure.. If pressure is correct, it would be a clog in the system.. Usually an orafice tube or accumulator..good luck!
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Apr 09, 2014 • 2004 Chevrolet Silverado 1500 Crew Cab
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I have a 2006 chevy aveo and it runs hot when I run the air conditioner and the radiator tank is empty, when I put water in it, it makes a crackling noise and then when I try to give it gas to make it go...
Does the empty radiator have anything to do with the AC? OR is it always empty? You should fill the radiator and the tank when the engine is cool. Never take the radiator cap off a HOT engine. It can shoot hot steam and water all over you and cause serious burns. With the engine cool, take the radiator cap off and fill it with the proper coolant, not just water. The coolant instruction label should be on or near the radiator. Fill the radiator completely, You may have to finish it slowly because of air trapped in the system. You can run the engine a short time to assist in filling the radiator. When the engine is running, if a lot of air bubbles out it could have a blown head gasket. DO NOT ALLOW THE ENGINE RUN UNTIL IT GETS HOT. If there is air in the system the coolant will go down and you can continue to fill it. When it is completely full, shut off the engine, top off the radiator if necessary and put the cap on completely and tightly. Fill the coolant tank to the full mark with the same coolant as the radiator. Drive the car and see if it overheats. If it smokes and has water coming out the exhaust, it probably has a blown head gasket. After it cools, check the radiator again. If it is low or out of coolant, again - blown head gasket. A blown gasket can **** coolant into the combustion cylinder OR can blow exhaust back into the cooling system. It can also allow motor oil into the radiator. Look for oil when you are filling the radiator. Also check the engine oil, if it has coolant in it, it will be a thick gooey mixture. In either case you should have the car towed to a qualified mechanic for testing and repair. If none of these things are occurring, look for a leak in the coolant system. A bad hose, or a leaking water pump. A defective radiator cap or the cap is not on tight. Look for the easy things first. Good luck.

Thanks for using FixYa.
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2004 chevy Avalanches air conditioner blows hot air, can the actuator be forced to keep it blowing cold air instead of hot air all the time.
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I have a 2007 chevy ss with a 5.3 engine. In real hot weather and running the air conditioner the engine will die and will not start until you raise the hood and let it cool down a little.When I say it...
The car is getting to hot and the asd ( automatic shutdown relay) is activated. Have vehicle temp checked when it shut down. The reason it shuts down when the ac is on something is causing too much of a load.
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Air conditioner not cold enough
SOUND LIKE AIR CONDITIONER NEED A CHARGING OR YOUR COOLING FAN NOT RUNNING WHEN AC TURNED ON.COOLING FAN HAS TO RUN TO COOL DOWN REFRIGERANT IN CONDENSOR.
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Aiconditioning blows hot air Ford Focus 2004
Your valve that shuts off the hot water to your heater core is not closing.Your AC is running but it is trying to cool down 200Deg. air.May be a issue with the heater/AC contol in the dash or the mixing valve stuck open.
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When I turn on my 2004 toyota highlander air conditioner the fan on the motor sounds like it is running, where it has never done this before. what could be the cause?
When you turn on the AC pop the hood. If it has an electric cooling fan or an electric fan infront of the radiator and condensor then its normal for it to come on. Without air flowing through the core the AC will not blow cold air. You just may not have noticed it before, or the fan is wearing down and producing a bit more noise than before.
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Air won't cool when the car is stopped on a 2004 chevy cavalier. car temp is normal
make sure electric coolant fan is running.if not check or replace fan relay.the coolant fan has to be running to cool down refrigerant in condensor.so refrigerant in condensor is cooled back down to high pressure liquid so it can go to evaporator.see ifcoolant fan not working.the AC is not going to cool.when you driving the condensor is cooling down from moving air when car is going.when you come to a stop.cooling fan suppose to be on so condensor gased can be cooled down.
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Jul 10, 2009 • 2004 Chevrolet Cavalier
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2005 chevy aveo hot key problem and air conditioner
If it is smell like rubber, that means maybe the electric wire too hot and some places short. be sure to check it.

This situation sometimes caused blow up fuse.
Read full answer
Jul 10, 2008 • 2005 Chevrolet Aveo
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