why is my car ac blowing hot and cold air
The fans could actually be broken like a burnt out motor bad mount a chipped fan blade or they could simply have an electrical problem like a blown fuse or burnt out relay. Why does my car AC blow hot and cold air at the same time.
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Through a lemon law case in California an individual could win compensation from the automobile manufacturer.
. I can then switch back to AC and it will cool for awhile until it starts the hot air again. Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. If its hot in a situation of car air conditioner blowing hot air then its an engine problem.
Other common reasons include electrical issues a faulty condenser broken cooling fans or a bad compressor. If I switch to Max AC and high fan speed it will eventually begin to blow cold air again. Another possibility is that there may be some type of restriction in the cooling system which is.
Your car uses coolant usually made up of 50 antifreeze and 50 water to cool your engine down especially during the hot months of summer. Ive also checked to make sure the compressor clutch is engaged. Generally to learn more about Why does my AC in car blowing hot air laws the best thing to do is to get a free consultation with a lemon law attorney.
How To Fix Car Ac That Blows Hot Air Ac Compressor Ac Compressor Car Air Conditioner Repair Share this post. Your car AC is actually a heat exchanger that recirculates warm air from inside the cabin and replaces it with cold air. Thankfully in this guide we will review each of these car AC problems in detail.
There might be trapped air in the cooling system or the heater core could be partially cloggedTwo heater lines provide engine coolant to the heater core. If the valve is blocked the refrigerant flow could be restricted or could be too unrestricted. When the outside temp gets above 90 degrees the ac will begin to blow hot air.
A Faulty Expansion Valve. The expansion valve distributes the proper amount of refrigerant to your evaporator. Moisture in the AC system can also cause an AC blows cold then warm condition.
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. If this is the case be sure to take it into a mechanic as quickly as you can. The most common reason is due to the refrigerant leaking out.
Any time you lose refrigerant from your cars AC system that leak allows air and moisture to enter. Ac started blowing hot air in car. During the winter when you crank up your heat the coolant is brought over from the engine to the heater core that then blows warm air.
This issue can be diagnosed easily. So you went for a road trip or a long drive and after 30 minutes of driving realized that your AC suddenly. If this isnt the case the next car air conditioning troubleshooting tip is to see if there are any leaks.
Other possible causes of a car AC blowing hot air or malfunctioning car AC are the following. If your car has a cabin air filter and you think you might have an evaporator freeze up problem start by checking the condition of your cabin air filter. Any blockage in these lines can prevent warm water from reaching the core and thus allow cold water to flow through it.
Open your vehicles dashboard holder to remove the. How Automotive Air Conditioning Works. Newer Post Older Post Home.
Why does the heat in my car get cold when I stop. You can check for puddles under you car as well as check the level of your Freon. Why Is My Car Air Conditioner Not Blowing Cold Air Rx Mechanic.
In most cases its due to a loss of refrigerant in the system. A car AC blowing hot air is often the result of a refrigerant leak. Based on your description a faulty cooling fan would explain why the AC stopped blowing cold air and also why the engine would be overheating.
Refrigerant thats in a liquid state makes its way to the evaporator where it boils as warm air from the cabin flows across it. Refrigerant is a liquid that circulates through your cars AC system expanding and contracting as it removes heat and humidity from the cabin. Like having a blocked condenser having broken cooling fans can cause a lack of cooling at your condenser and could cause your car AC blowing hot air.
A leak can happen because of an old hose as well as a rusted or. Why is my AC blowing hot air in my car. Hot air coming from your car AC vents can mean that you have low levels of refrigerant.
It can also be due to a problem in the condenser the compressor the cooling fan or the electrical system of your car. I have checked the freon levels and it is good. What happens is this.
If your AC flip-flops from hot to cold and back again your expansion valve could be failing. SOLVED - How to Fix AC Blowing Hot and Cold Air Temperature on GM Vehicles HUMMER H2 Fix Your Heat and AC Yourself without Spending any Money Fix AC on. Ad Other reasons your car might be blowing hot air from your AC include a worn-out.
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. A car AC blowing hot air is often the result of a refrigerant leak.
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