Why does my car overheat when I run AC?
Engine overheating with AC on is generally caused by one of two possibilities. One, is increased engine load caused by a failing AC compressor. Plugged or blocked radiator condenser fins, fans not working efficiently or a water pump that is not circulating coolant could all cause overheating with AC on only.
What should you do if your car overheats while idling?
If your vehicle only overheats while idling, you should double-check that the fan is working correctly. The fan pushes air over the radiator to keep it cool, which is especially important while your vehicle is idling. RELATED: 7 Causes Why Your Radiator Fan Is Not Coming On 5.
Why does my car blow hot air when idling?
The most likely cause of the issue that your are having would be a faulty cooling fan. The cooling fans purpose is to keep the radiator and condenser for the air conditioning cool during the idling function of the vehicle. If the cooling fan is not working, this will cause the radiator and condenser to get very hot.
Why does my car overheat when the AC is on?
Damaged water pumps could cause serious problems to the engine by causing it to overheat.
Why does my air conditioner not work when idling?
The cooling fans purpose is to keep the radiator and condenser for the air conditioning cool during the idling function of the vehicle. If the cooling fan is not working, this will cause the radiator and condenser to get very hot. When the radiator and condenser get hot, this can cause the vehicle to overheat and the air conditioning not to work.
What causes a car to overheat when idling?
That said, some of the the basic things you can check when your car overheats at idle include: The coolant level. Only check when the engine is cool. Low coolant can cause overheating. Air bubbles in the cooling system can also cause issues. Only use the specified type of antifreeze to top off the system. Fan belt problems
Why does my car overheat when the air conditioner is on?
Overheating could be due to air getting trapped in the coolant system, so be sure to flush it to release the extra air and restore the normal condition of the coolant. You have to change the coolant mixture every 2years. Make sure to add water to the radiator if you notice water below the average level.
The cooling fans purpose is to keep the radiator and condenser for the air conditioning cool during the idling function of the vehicle. If the cooling fan is not working, this will cause the radiator and condenser to get very hot. When the radiator and condenser get hot, this can cause the vehicle to overheat and the air conditioning not to work.
What to do when your car overheats while driving?
If you face the overheating problem while driving, first stop the car, turn the heater on full blast so that the heat is pulled out from the coolant to the ambient air of the car. You might want to step out of the car when doing this. Next, turn off the AC.