Everytime you run your 99 cavilier with the air conditioning on it blows out cool air but when you stop It blows out hot air like it stops working?

1. Why does my car AC only get cold when I'm driving?
2. Why does my AC only work when I step on the gas?
3. Why does my AC stop blowing hot air?
4. Why does my AC stop blowing air then start blowing air again after being off for some time?
5. Why is my car AC cool but not cold?
6. Why does my AC stop blowing cold when I stop?
7. Why does my AC only work when idling?
8. Why does my AC only work on high?
9. Why does my AC work sometimes?
10. Why is my AC not blowing out cold air?
11. Why is my air conditioner running but not cooling the house?
12. Why is my AC running but not cooling?
13. Why does my AC keep turning off after a few seconds?
14. Can Hear AC running but no air?
15. Why does my AC turn on and off every few seconds?

Why does my car AC only get cold when I'm driving?

When the car is moving, versus stopped, there is more air flow over the condenser (the heat exchanger in front of the radiator) and that airflow is essential to system operation. ... Other possibilities are that the compressor clutch is not cycling as intended or that the condenser might be blocked or dirty.

Why does my AC only work when I step on the gas?

That would usually indicate one of the switches kicking the compressor out for some reason. The heat the AC pulls out of the car gets dumped to the atmosphere by the condenser coils in front of the radiator. This happens much more effectively if you're moving and air is flowing over the condenser.

Why does my AC stop blowing hot air?

Only when filters are clogged the airflow is restricted enough for the AC to blow warm air result. Air filters that are dirty and only need to be cleaned are not the cause of warm air coming from your AC unit. Clogged AC filters are. In this case, the fix is simple: just replace the air filters.

Why does my AC stop blowing air then start blowing air again after being off for some time?

This is due to Compressor Cut Off caused by Thermostat. When your desired temperature is achieved, your thermostat signals to the compressor to cut off. when the thermostat is ratified it will shut down the system there is a timer in the system that will not allow the system to restart until the the time has expired.

Why is my car AC cool but not cold?

The most common causes of broken air conditioning are leaks or compressor issues. 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.

Why does my AC stop blowing cold when I stop?

The cooling fan in the condenser is the first thing that you should look into while finding out the reasons for car air conditioner not blowing cold air when idling. If the fan is damaged or cannot run with its full force, it cannot cool down the heat coming from the Freon (refrigerant) through the condenser.

Why does my AC only work when idling?

The AC's cooling capacity has two limiting factors when it idles – low RPMs and reduced airflow. When your vehicle is at idles, the RPMs are usually low, around 700–800. ... The other reason that limits the power to the AC and impedes its normal functioning is a diminished airflow across the condenser coil.

Why does my AC only work on high?

When a blower resistor fails, the highest fan speed usually is the only one that still works because it essentially bypasses the resistor and receives the maximum amount of voltage. When the resistor is working, it reduces the amount of voltage going to the lower fan speeds, so the fan runs slower.

Why does my AC work sometimes?

Intermittent cooling is often caused by the components of your vehicle's AC system freezing up. Typically an iced over evaporator is the culprit. An evaporator covered in ice can't cool the air, so you would have to wait until the ice melts, which is why the cold air eventually returns.

Why is my AC not blowing out cold air?

Leaking or Low Refrigerant

If your central AC is not blowing cold air, the refrigerant may be the problem. The unit could be running low and need additional refrigerant added. The most likely cause of this is a leak. ... If you suspect a refrigerant leak, you should contact an HVAC professional right away.

Why is my air conditioner running but not cooling the house?

Condenser Unit is Blocked

If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home.

Why is my AC running but not cooling?

If you're experiencing AC not cooling while the system is powered on, you could have a clogged or blocked coil. Unfortunately, a wide variety of debris can find its way into this equipment, including grass, dirt, and other contaminants. This can result in a serious clog, which can lead to a system malfunction.

Why does my AC keep turning off after a few seconds?

This is called “short cycling” (because normally the AC has a regular on and off “cycle” that varies with the outside temperature.) Short cycling wears out the outside unit's compressor. That's bad because the compressor is so expensive that, if it breaks, many homeowners usually just replace the entire outside unit.

Can Hear AC running but no air?

The common complaint is, “I can hear the air conditioner turn on but no air is coming out.” That's because coil inside the AC unit is frozen. One reason for AC freeze-up is that the air flow coming into or out of your system is blocked at some point.

Why does my AC turn on and off every few seconds?

If your air conditioner keeps turning on and off your AC system is most likely short cycling. An AC system may turn on and off repeatedly due to dirty, broken, or failing parts or for various other mechanical or electrical reasons. ... It also causes extra wear and tear on the mechanisms that work to turn on your AC.