car ac blowing hot air sometimes

Evacuate recycle and cleandry the refrigerant. The engine is not getting hot and the radiator is full.

Why Does My Car Ac Vent Blow Hot Air When Driving Even When The Ac Is Off Quora

Warm Air is Coming Out Instead of Cold As you get in your car and turn on your AC you probably expect it to be blowing hot air for the first minute or two until the system cycles through enough to cool it.

. 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. Obviously when it blows cold air I can seefeel that the AC compressor is kicking in and is not when blows warmhot air. Sometimes when I turn the AC it will blow out cold air and sometimes will not.

Refrigerant is a liquid that circulates through your cars AC system expanding and contracting as it removes heat and humidity from the cabin. The blower motor resistor or blower module gets hot as it powers the fan so often times they can burn out causing certain speeds of the fan in your car to stop working the fan can be stuck on one speed only work on high speed or not work on any settings. If this isnt the case the next car air conditioning troubleshooting tip is to see if there are any leaks.

It is very hard to duplicate. 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. Your car AC is actually a heat exchanger that recirculates warm air from inside the cabin and replaces it with cold air.

We will test the pressure and use special dyes to pinpoint the leak. You can check for puddles. 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.

Then my wife can drive to work then home pouring sweat from not working. If its kicking on and off rapidly it might be low on refrigerant. Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system.

We know the feeling. This typically happens if the engine is too hot so be sure to check your cars temperature. My car has dual climate control the air conditioner blows warm sometimes and sometimes very cold.

If this is the case be sure to take it into a mechanic as quickly as you can. If its hot in a situation of car air conditioner blowing hot air then its an engine problem. Why is Your Car AC Blowing Hot air.

Then fill the refrigerant to the correct level and add dye to assist in checking for leaks. In other words one day your cars AC is blowing cold air the next day its warm air. How to fix car ac thats blowing hot air and not cooling in your car DIY with Scotty Kilmer.

A car AC blowing hot air is often the result of a refrigerant leak. How to use ac leak dye and replace AC compressor. If its not coming on at all it may be broken or not receiving power.

This can be remedied by just adjusting the temperature on the cold side or vice versa to your desired degree. If you suspect a refrigerant leak take your car to General Automotive. Feeling a bit frustrated.

One of the most difficult automotive air conditioning problems to diagnose is an intermittent AC problem. HVAC Control Module Program Needs To Reset. Sometimes the temperatures on the AC can be set differently which creates the situation AC blows hot air on passenger side while cold or normally on the drivers side.

Identify the compressor under the hood driven by the serpentine belt with other components in the front of the engine and listen to hear the clutch click on and off while the car is running. When is working correctly I can use the AC all day long and it will be just fine no symptoms like when is low on refrigerant that the AC clutch. I have ran it hard in one hundred degree temperatures sitting still and works fine.

Check the operation of the condenser fan and the air conditioning compressor. None of the other AC components will function correctly without proper refrigerant levels. Connect a refrigerant recovery machine to the AC system and check pressure readings.

Thankfully in this guide we will review each of these car AC problems in detail. In most cases its due to a loss of refrigerant in the system.

Why Is My Car Ac Blowing Hot Air Simple Fix Auto Chimps