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AC Causes engine to overheat.Your AC causes your engine to work that much harder. Therefore, putting a strain on the engine, making it work harder and thus creates more heat. If you notice, when your AC is on you may feel a slight loss in power..

OlDeST

check radiator from top to bottom maybe a crack some where in their, well atleast that what happened to my civic

Answer 2I had a similar problem when i first got my 95 Honda civic. On hot days only though. I found that when the fan for the radiator had been replaced by the previous owner, it was wired backwards so the fan was spinning the wrong way. Instead of blowing air to the radiator it was going the opposite way. The A/C being on caused more strain on the engine which lead to the overheating.
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Q: What causes your car overheating when you put the AC on?
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What causes overheating when radiator and thermostats checked and OK and fan OK?

There are a number of things that could cause the overheating issue. If the overheating happens immediately, it's probably the water pump. If this happens only when it's hot, see if it happens only when the AC is on because then it could be the an auxiliary AC cooling fan that has gone bad.


If your headgasket is blown if turning on the ac will that keep the motor cool?

If the engine is overheating, running the ac will make it overheat faster. The ac only cools the inside of the car, it actually adds heat under the hood.


Your 2004 Grand Prix is overheated light on dash said to turn AC off Is the AC causing it to overheat?

Your AC should not cause your car to overheat. Your car probably has a different reason that it is overheating. However, your AC adds additional heat to the engine. Your car wants your AC off until you get the problem fixed. You would have a similar situation if you sprained your ankle while you carried your backpack. Someone would tell you to put down the backpack until you got your sprained ankle taken care of.


My Saturn SL coolant gauge shows car overheating when AC us turned on. If I leave the ac off can I still drive safely?

You can, but you still have a cooling problem that needs rectification.


AC reduce's car performance?

only when it is on, it causes slow acceleration


Main breaker overheating when ac is on?

Problem with ac drawing to much current.


Do you burn more gas running your ac in the car?

A little, the ac pump will put a draw on the engine more than without the ac on.


Can you put an ac in a 92 Geo Metro?

Yes you can put AC in a Metro but I don't recommend it. My Metro has AC but if you do put it in it will slow your car down horridly and it will cause your high MPG Metro to drop down to that of a normal car. So it's sort of a comfort vs practicality debate :)


Can AC water be put in a car?

Clean water should be used and mixed with the proper coolant for your car.


Why does a home ac compressor get hot and stop working?

It is overheating. Probable causes are blocked filters, working too long (excess duty cycle) ot the system needs regassing.


What can you do when your car is overheating?

I had a ford contour that overheated a lot. Took it to several mechanics and no one could find a reason to why it was overheating. Since I couldn't fix the problem, I just kicked on the AC when it started to run too warm and that kept it at normal running temp.