As a result, you will have hot air instead. If the refrigerant cannot circulate through the air conditioning system because of a bad compressor, then it is not going to create the cool air that you want. If you turn on your air conditioner and you only get hot air blowing out of the vents even after a couple minutes, this is a clear indicator that your AC compressor is failing. That is why you should take this symptom as an early indicator that you need to get your AC compressor replaced. Strange noises will only be the beginning of the problem. If the internal bearings or components were to get damaged or worn out, then it will make it more difficult for the compressor to operate properly. The compressor relies on a sealed bearing and numerous other components to turn. If you switch on your air conditioner and there are a lot of strange noises being generated, then your AC compressor is likely starting to fail. There are some warning signs that will present themselves if your AC compressor is starting to go bad. People who use their air conditioners on a regular basis will experience problems with them sooner than those who never run the AC. Over a certain number of years, this stress could wear down the compressor and cause it to eventually malfunction. Car air conditioning systems get turned on and off constantly and this power fluctuation may put a lot of wear on the compressor. Bad Car AC Compressor SymptomsĪC compressors endure a lot of stress. The warm air that was blown over the refrigerant is now cool air which is blown into the cabin to cool everyone inside. The liquid refrigerant absorbs the heat from the air so that it boils, evaporates, and becomes a relatively cool gas. The evaporator is under low pressure, so the boiling point is much lower. The cool liquid refrigerant enters the evaporator, where warm air is blown over it by a fan. The evaporation valve at the end of the condenser cools the refrigerant vapor even more so that it turns back into a liquid. The condenser itself becomes hot as the hot refrigerant passes through it, and this heat is then transferred to the cool air being forced into it as the car drives along. It then sends the hot gas to the condenser. The compressor pressurizes (which also heats up) the gaseous refrigerant that it receives from the evaporator. Since most people don’t want the AC on all the time, a compressor clutch connects the pulley to the compressor driving shaft when the AC is switched to “on” to make the compressor run. The compressor pulley is attached to the crankshaft so it always spins when the engine running. It’s the driving force behind the cycle of hot and cold refrigerant movement. The AC compressor is driven by the engine of the vehicle, connected by a belt on the front of the crankshaft. The air conditioning system of a vehicle works much like a refrigerator.
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