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The ac unit is a tax on the engine to run. This is true with all vehicles. Having the ac on will make the engine work harder to run the ac compressor. This makes the engine run hotter.

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Q: Why does Car runs hot when air conditioner on?
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Why your car air conditioner blows cold and then hot air?

Well the main reason why your car blows out cold then hot is because the air conditioner may not be working properly. You should go to the car shop and get it fixed.


What does it mean when a car gets hot but blows cold air?

The Air Conditioner is on


When did Hudson Motor car company introduce its first car air conditioner?

because it was hot in 1921


Why is the air conditioner in a car blowing out hot air?

it simply means you have to add freon to ur air conditioner....you can buy freon at any auto parts store.


The air conditioner on my 1989 Buick LeSabre work's good when the car is coldbut when it's Hot the Air conditioner can't cool the car.?

The most likely problem is it's out of gas


Why my car air conditioner doesn't blow hot air it has cold air only?

You are low on coolant to the heater core.


Why is your car ac blowing hot air?

There are three main possible causes to explain why a car air conditioner is blowing hot air. These causes are a worn out compressor, refrigerant leak, and an electrical problem.


Why is your car's air conditioner blowing hot air if it already has freon?

Compressor not running?Heater control in heat position?


Why would your car air conditioner blow cold air then hot air?

A.C. circulates air(just like a fan) and turns it cool.


Can you get cool air from your car without running your air conditioner even on a hot day?

yes, if you drive and keep your windows open


Why is your air conditioner in car blowing hot air?

Typically if you are getting hot air you need to recharge your freeon(spelling). It is something that can be done at home, but i strongly encourage professional charging.


Why is my air conditioner not blowing hot?

it's an air conditioner because you made it into cool