why did my car ac stop blowing air

For a more in-depth look at automotive air conditioning systems read this How Stuff Works article. Another reason why your air conditioner is only.

Why Is My Car Air Conditioner Blowing Hot Air And How To Fix It

Or the electrical connections may be loose a fan broken or the condenser is blocked.

. Here are the top reasons why your cars AC is not blowing cold air. With no air or very little cold air blowing into the cabin there could be a number of explanations including. Your cars AC is low on refrigerant.

Bad blower motor control switch. Replace the AC Condenser Yourself. Thankfully in this guide we will review each of these car AC problems in detail.

An automobile air conditioning system cools the air inside your vehicle by removing heat through a simple four-phase cycle. Not cold enough cooling coils will cause AC not to blow cold air. Although an automotive AC system has few moving parts diagnosing why your car is blowing warm air can be tricky.

Eventually all of the passages through the evaporator are clogged with ice and no more air can get through. The truth is that the problem youre experiencing could be caused by something as simple as a blown fuse. It is responsible for pumping refrigerant into the air conditioner and also pushing it.

Another reason why your car AC fan is not working could be due to your cabin air filter. My car AC stop blowing air from the vents. Your Car is Leaking Refrigerant.

At a minimum schedule an auto AC service once a year. It could move and press against a piece of metal like the bumper support and split and break. A Damaged Motor.

Sometimes one or more broken parts may simply result in a complete AC system failure. A refrigerant leak can occur at any point in the air conditioning process and so its sometimes difficult to pinpoint the exact location of the leak. When you first realize that your car AC is not blowing air from the vents you should try not to panic.

Here at torque wrench center we know how frustrating a broken AC can be which is why we have created this. 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. If you notice a poodle or drops of fluid under the car then its very likely from a bad expansion valve assuming your radiator isnt faulty.

You can buy a UVAC detection leak kit and perform the task yourself easily. The most common reason why an AC is not blowing cold air is due to an empty AC system caused by a leak. A busted or burnt out blower motor.

These motors can die after years of use or can break if a foreign object gets lodged in the vents. When there isnt enough freon the air conditioners clucth wont come on which will also affect the compressor from cycling. Electrical problems in the control module resistors or one of the relays.

Generally speaking a lack of refrigerant is the most common cause of your AC system only blowing warm air. There are several reasons why that might happen. Your cars blower motor is responsible for blowing air through the vents so when that gets damaged or stops working you will notice that your air conditioning system no longer works.

Either way its a simple thing to have. If your cars AC isnt blowing air it could be a problem with your cars fan. Anytime you have a leak in an AC system.

Refrigerant could be leaking and this can cause the AC to not blow cold air. If you turn the AC off for some time 5 or 10 minutes and just run the vent fan the block of ice will melt and the AC can be turned on again and it will work for 510 more minutes. It can also be caused by a faulty AC pressure switch a bad compressor or a damaged AC condenser.

AC unit not blowing cold air might be an indication of a bigger problem compressors issues thermostat issues low freon levels etc. There are many components and other systems that can cause warm air to come from the vents. There are a variety of reasons why your car AC is not blowing cold air.

The most common places where leaks are found are at AC unit hose connections. 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. Low refrigerant will cause no cold air slightly cold air air that cold for a while and the airflow stops or rapidly AC compressor clutch cycling.

Therefore it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. The air conditioning system is a closed system and cannot just be opened and drained like you would with other fluids in your vehicle. Your car AC blows warm on the inside but cold on the expansion valve.

Keeping this in consideration why does my car AC stop blowing cold air. This is the most common reason for why your cars AC is not blowing cold air. Heres a more detailed explanation for the possible reasons why your car AC stopped blowing cold air all of a sudden.

Broken fans electrical issues condenser or compressor problems can all cause your AC to blow warm air. Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. The AC compressor of the car is one of the most important parts of your cars cooling system.

Some certified AC technicians recommend auto AC service twice a yearin the fall after summers hot temperatures and again in the spring after winters cold temperatures. The most common causes of broken air conditioning are leaks or compressor issues. Common reasons for this to happen.

The first reason why your AC isnt blowing cool air is because it needs a freon recharge. So if its low on refrigerant theres a leak. Fixing the AC could be as simple as recharging your cars AC refrigerant or repairing a refrigerant leak but may also require complex electrical climate control repair or slipping compressor clutch to get your air conditioning operating at top performance once again.

This could help your. Bad blower motor resistor. With little or no use during a long winter the air conditioning system.

Here are some of the most common causes of a car AC not blowing air from vents. Why Did My Car Stop Blowing Air. AC blower motor circuit blown fuse.

Your cars AC is a sealed system. Cabin air filters serve as a filter to the outside air coming into your car to make sure it is clean and not filled with contaminants. This problem is also one of the cases that are effortless to fix.

One of the most common reasons why your car AC stopped blowing cold air is a leaking refrigerant. There are a couple of reasons why your AC isnt blowing cool air and instead is blowing warm air. Secondly however the air conditioner stopping to blow cold air while still running is something to be alarmed about.

But it is not the only cause.

Here Is Why Car Ac Not Blowing Cold Air After Recharge Car Air Conditioning Air Conditioning Services Ac Recharge