Taking a few measures will help you to avoid this problem and keep the air conditioning system functional for a long time: How Do You Save Your Truck from Overheating?Ĭar Overheats When AC Is On: The Solutions.In that case, you have to replace it or go to a mechanic to fix the issue. A faulty sensor will show ‘hot’ reading whether or not you turn on the AC. Overheating due to the problem is rare but not absolutely impossible. Defective Engine Coolant Temperature Sensor The problem ultimately causes the failure of the fan switch, making the car overheats when AC is on. It happens due to a clogged radiator passage the blocks the airflow. Sometimes, switching the AC on causes overheating when the car is stationary or moving at low speeds. The coolant system can also catch the corrosion occurring in the radiator tubes, resulting in preventing the proper coolant flow. The overheating could be the result of clogged condenser fins, defective condenser fan, or a faulty water pump that does not properly circulate the coolant. The cooling system works to keep the air conditioning’s condenser cool, which heats up after you turn the AC on. The cooling system is another component to examine if your car overheats when AC is on. When it is failing, it cannot do all the power handling, causing the engine overheating. Also, the compressor makes the engine to handle a rotational load. The air conditioning system draws a huge amount of power from the engine, putting such a big load on the compressor that it cannot handle. Compressor OverloadĪ malfunctioning AC compressor puts plenty of extra load on the engine. You should check into these components if your car overheats when AC is on: 1. > Finding a cheap used car in good conditions here <<
It could be a serious problem in the summer. The restoration to normal temperature is pretty quick to once you turn off the AC. The symptoms of the car overheating due to the air conditioner involve the heating up of the engine, dashboard, and the seats a few minutes after turning on the AC. A hot car is not only discomforting but also leads to serious damage to several other components. Sometimes, it happens when the air conditioning is on even for a few minutes. Nothing could be more torturous than driving your car on a hot summer day but not being able to turn the AC on? Many car owners face a peculiar problem involving the car overheats when AC is on.