car air conditioner blowing hot air sometimes

Your car AC is actually a heat exchanger that recirculates warm air from inside the cabin and replaces it with cold air. Based on your description it is possible that a faulty condenser fan is causing the air to blow warm at idle and could also explain why the vehicle starts to overheat.

Car Ac Suddenly Blowing Hot Air Reasons Diagnosis More Dubizzle

Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system.

. Air Conditioner sometimes blows hot air once engine. If your system has a leak it could be causing the unit to blow warm air since there isnt enough refrigerant in the system to cool things down. You can check for puddles.

Your condenser may need. 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. The main role of a thermostat in a car air conditioner is to regulate temperature and prevent the HVAC system from overheating or cooling excessively.

Another common reason for your AC blowing hot air is when you have a low refrigerant. This results in hot air circulating through your AC vents. Why is Your Car AC Blowing Hot air.

An AC clutch is not the same clutch as found in manual cars to shift gears. Your vehicles AC is electrically powered and the most common reason for car air conditioning that blows hot air is an electrical system malfunction. When youre driving the fan is cooling the refrigerant inside the condenser and at idle it isnt getting sufficient airflow for cooling.

If its hot in a situation of car air conditioner blowing hot air then its an engine problem. If you experience the symptom of the AC blowing hot or cold air on one side but not the other and its accompanied by a clicking or ticking sound it probably means a gear in the temperature blend door actuator is faulty and the actuator needs to be replaced. In most cases its due to a loss of refrigerant in the system.

Another common cause for the failure of AC to blow cool air. The improperly wired thermostat is quite a mess. The refrigerant is a liquid that flows into the evaporator changing into a gas as it absorbs the heat from your cars air.

If your new air conditioner is blowing hot air there is a chance that the thermostat is not wired properly. Condenser Repair Checked for blockage but dont see any debris. THIS AGE OF CAR PROBABLY NEEDS A RE CHARGE OPEN HOOD LOOK THE LABELSIF IT IS 134A YOU CAN RECHARGE IT YOURSELF PRETTY EASYIF ITS R12 YOU MAY NEED TO TAKE IT TO GET RETRO FITTED Posted on Jun 01 2009.

A frayed wire will result in your AC system getting inadequate or no electricity at all. When your car lacks refrigerant the gas is exposed to hot air for too long. This typically happens if the engine is too hot so be sure to check your cars temperature.

Although its a fluid when it comes out of the AC vents it comes in the form of gas through a complicated process inside your vehicle. Well explain a few of the most common ones. Use a multimeter to ensure that the AC is receiving the correct amount of volts.

The cooling of refrigerants in the condenser is also thanks to the pair of fans that blow over them. No electricity equals hot air. And electrical problems are not news for cars.

A bad AC control switch that will not make good contacts can also be the reason for the car air conditioner blows cold then warm then cold again. If this is the case be sure to take it into a mechanic as quickly as you can. This process happens by using airflow that comes through the front of your vehicle as you drive.

The bigger issue is with new thermostats. Scotty Kilmer mechanic for the last 45 years shows how to fix a car that is blowing really hot air even though the AC system is turned on full cold. Your car air conditioner will blow hot air if the condenser is blocked by debris from the road or environment.

A faulty AC control switch can be the reason for car ac blowing hot air. If it is blowing warm air there could be several causes. AC Blows Hot or Cold Air on One Side with Clicking Sound.

Thankfully in this guide we will review each of these car AC problems in detail. Unfortunately refrigerant leaks can be hard to detect because refrigerant becomes an invisible gas once it leaves your AC system. The blockage may also be in between your vehicles grill and condenser.

Refrigerant is a liquid that circulates through your cars AC system expanding and contracting as it removes heat and humidity from the cabin. The car AC control switch turns ON and OFF the air conditioner. Here are 6 possible reasons your air conditioner is blasting hot air together with solutions for each one to help keep your car cool.

A car AC blowing hot air is often the result of a refrigerant leak. If your car is blowing hot air instead of cold your refrigerant might be leaking. Its working is quite similar to it - It has to engage to start rotating to get energy from the engine just like the gear clutch which has two rotating shafts.

Another common cause of car AC blowing hot air is incorrect thermostat settings. This is only applicable to new or newly wired air conditioners. The refrigerant is the fluid working in your AC system and its responsible for cooling down your car.

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 mess which may lead to some unusual things like hot air coming from your AC unit. If this isnt the case the next car air conditioning troubleshooting tip is to see if there are any leaks.

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.

5 Reasons Why Car Air Conditioner Not Blowing Cold Air When Idling