why did my car ac stop blowing air

A very easy and straightforward explanation why your cars air conditioning is not working is because the system is malfunctioning electrically. The most common cause of an AC system blowing warm air is a lack of refrigerant though you may also have a problem with your condenser.

Why Does My Car A C Smell Firestone Complete Auto Care

A defective cooling fan is usually the culprit whenever your car AC fails to blow cold air while idling yet cools properly while accelerating.

. When there isnt enough freon the air conditioners clucth wont come on which will also affect the compressor from cycling. That is why to get rid of the heavy damage the system turns off. Your thermostat is set to some temperature thats high enough that the AC can stop cooling the air once it gets down to the temperature you asked for.

This is a good thing because it saves electricity and it stops it from turning your home into an ice-box. The first reason why your AC isnt blowing cool air is because it needs a freon recharge. It can be difficult to diagnose electrical problems so you might need a good mechanic to help you track down this problem.

This could be something as simple as a blown fuse a bad relay a broken wire or even low output from your alternator. The most common cause of an AC system blowing warm air is a lack of refrigerant though you may also have a problem with your condenser. So if your car ac not blowing cold air all the time you may want to take a look at your AC unit hose connection.

AC blower motor circuit blown fuse Bad blower motor resistor Blower motor shorted Bad blower motor control switch Poor ground connection Poor blower motor connections. AutoZone will test your cars parts for free. AC stop leak AC system cleaner and more.

This is a less common cause for your air conditioner not blowing air out of the vents but its possible that the switch on your dashboard itself is not working. My car AC stop blowing air from the vents. One of the most common reasons for a vehicle ac not blowing cold air is a leaking refrigerant.

It can also be rendered inoperable by something as simple as a blown fuse. If your air is blowing cool but not cold the problem could be a clogged filter cooling fan problem radiator trouble or it could simply be that you need to recharge your AC. There are a couple of reasons why your AC isnt blowing cool air and instead is blowing warm air.

Thankfully in this guide we will review each of these car AC problems in detail. Another reason why your air conditioner is only. We can test your cars battery alternator starter and voltage.

Malfunctioning Sensors If one of the multiple sensors in your cooling system fails the systems functionality will suffer. The most common causes of broken air conditioning are leaks or compressor issues. When AC blows warm air while idling there can be various reasons why you should check other components.

Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. When the car condenser gets blocked or broken it cannot cool down the refrigerant and eventually your car AC doesnt blow cold air when idle. The air conditioner unit is exposed to constant stress from the heat of the engine road debris dirt vibrations quick stops or hitting a curb or obstacle in the road.

Common reasons for this to happen. If these hoses come loose get clogged or wear out then you wont have the proper airflow youre expecting coming from your air conditioner when you turn it on. When the filter is covered up by something or the filter cannot remove the hot air from inside then it gets hot and can cause big damage to the whole system.

You may have electrical components in your air conditioning system such as your compressor. If the dial. Why is my AC blowing hot air in my car.

The condenser keeps the refrigerant cool and the cycle continues. If the condenser isnt working the entire car air condition process stops working. Cracks even a tiny one or loose connections can happen allowing the refrigerant to leak out.

Therefore electrical issues can cause your car air conditioner to stop blowing cool air. There is a function in some AC that the air conditioner stops when the filter gets clogged. So a blocked condenser can be a cause why your car AC not blowing cold air when idle.

The air conditioning system in a car pulls heat and humidity out of the car and is absorbed by the refrigerant. A refrigerant leak can occur at any point in the AC system so it is hard to pinpoint the exact location of the leak.

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