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. Its responsible for sending a small electric current used to control the vents.

Mercedes Air Conditioner Blowing Hot Air What To Do

But the AC started cooling off again like it was before.

. Hereof why does my car AC stop blowing cold air. There are a couple of reasons why your AC isnt blowing cool air and instead is blowing warm air. It takes a team to get the AC up and running and if one car part has a minor break or clog the whole thing could stop working.

Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. While there are a variety of reasons your cars air conditioning might not be operating at top performance the most common are a refrigerant leak an electrical climate control issue or a problem with the air conditioning compressor. With little or no use during a long winter the air conditioning system.

Why did my car AC stop working. Electrical problems in the control module resistors or one of the relays. 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.

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. Therefore pressure and temperature are critical controls in a properly functioning system. The first reason why your AC isnt blowing cool air is because it needs a freon recharge.

My car AC stop blowing air from the vents. There is a blown fuse in the ventilation system. Another reason why your air conditioner is only.

But my ac works about 20 degrees colder. Bad blower motor control switch. Generally speaking a lack of refrigerant is the most common cause of your AC system only blowing warm air.

Therefore it is possible that your car is low on refrigerant that is preventing your air conditioning from working properly. Heres a more detailed explanation for the possible reasons why your car AC stopped blowing cold air all of a sudden. Why Did My Car Stop Blowing Air.

This problem is also one of the cases that are effortless to fix. 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. There are a few different reasons why the AC might not work in your carIf the air conditioning in your car is blowing hot air on one side and cold air on the other there could be a simple fix like adjusting the temperature or it could be time to replace a part like the.

The most common causes of broken air conditioning are leaks or compressor issues. Why does car air conditioning start out blowing cold then suddenly stop only to return to normal after waiting a short while. If there was a short or a surge in the system the fuse might blow to protect the delicate electronic components from damage -- but in so doing will render the system inoperable until the fuse is replaced.

Why Is My Car Ac Blowing Hot Air Simple Fix Auto Chimps. But it is not the only cause. Why is my car AC running but not blowing air.

Sometimes one or more broken parts may simply result in a complete AC system failure. A Bad Fuse The first thing to check with any issue related to the cars climate control or electronics is the fuse box. Here at torque wrench center we know how frustrating a broken AC can be which is why we have created this.

Each of these can cause the ac to blow lukewarm or hot instead of cold air. One of the most common reasons why your car AC stopped blowing cold air is a leaking refrigerant. A relay is an electrical component necessary for your cars AC vents to function.

When this stops working properly you will start to see issues. Your air intake is clogged meaning that air isnt getting in from the outside at all or isnt circulating properly. I checked the pressure at 1am while it was blowing cold air.

Car AC Not Blowing Cold Air. With no air or very little cold air blowing into the cabin there could be a number of explanations including. Here are some of the most common causes of why air doesnt flow out of your vehicles vents.

A Faulty Relay. A fairly common cause of this particular issue is that the expansion coils in the cabin side of the unit get iced up restricting the flow of air across the coils. Eventually all of the passages through the evaporator are clogged with ice and no more air can get through.

A busted or burnt out blower motor. Thankfully in this guide we will review each of these car AC problems in detail. For example theres a compressor to take in and compress pressure a condenser to reduce refrigerant temperature and a dryer to remove water from the.

This is the most common reason for why your cars AC is not blowing cold air. You can buy a UVAC detection leak kit and perform the task yourself easily. When there isnt enough freon the air conditioners clucth wont come on which will also affect the compressor from cycling.

Broken fans electrical issues condenser or compressor problems can all cause your AC to blow warm air. Bad blower motor resistor. AC blower motor circuit blown fuse.

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. Another reason why your car AC fan is not working could be due to your cabin air filter. If your cars AC isnt blowing air it could be a problem with your cars fan.

Electrical issues such as a bad relay. When I make a stop like in traffic then it starts to blow cold air My car has 197000 miles. Common reasons for this to happen.

Car Ac Stopped Working Suddenly Not Blowing Cold Air Road Sumo