why is my ac in my car blowing hot air on one side
Fans make the AC unit to receive cooling properly. Due to the design of dual AC systems low refrigerant is the leading cause of drastic temperature difference from one side of the dash to the other.
Car Air Conditioning Or Heat Rattling Or Grinding Simple Fix Youtube
There are two main issues in the condenser that can lead to a car AC system blowing hot air.
. Thankfully in this guide we will review each of these car AC problems in detail. This is indicated by an increase in idle RPM and a slight change in engine tone. Dtservicecentre Faulty Cooling Fans.
A faulty compressor will definitely cause your car to blow warm air oreven worseno air. It may be broken and not allowing the door that controls the temperature on that side to adjust. The job of the expansion valve is to distribute a certain quantity of refrigerant to the evaporator.
HEATER PROBLEMS DODGE JEEP CHRYSLER RAM FIAT ALFA ROMEO LANCIAIn this video we will show you what. Similarly the fluid refrigerant continues to remain hot in the passenger compartment too. First either the refrigerant is unable to absorb the heat from the car interiors.
The other two reasons for blowing hot air in the condenser are blockage in the pipe and broken condenser. In a vehicle with dual temperature controls you may encounter a situation where the vent blows cold one side hot on other side or vice versa. When youre driving the fan is cooling the refrigerant inside the condenser and at idle it isnt getting sufficient airflow for cooling.
Up to 8 cash back As crazy as it sounds I have had a low refrigerant charge in the ac system as a cause of this so it may just be that your ac needs to be recharged. It will lead to the AC unit blowing hot air. The blockage in the pipe or anywhere in the tube can result in the improper operation of the condenser.
One common compressor issue is a broken or loose serpentine belt and another is a broken compressor clutch. Make sure the condenser has no punctured or broken lines. You may require to take it to a mechanic to fix the issue.
The first will typically only affect vehicles with mechanical belt driven fans. Check if your compressor kicks on when you turn on the AC. Three Signs your AC is Malfunctioning.
If it does and still isnt blowing clod check press. The condenser might also have damage which can cause a leak and symptoms in your car like the AC blowing hot air. The first is a blockage anywhere in the series of tubes in the condenser.
AC systems are sealed and therefore dont require refrigerant top-offs. Few things to check apart from the obvious heater on fresh air vent open etc 1. CAR BLOWS HOT AIR ON ONE SIDE COLD ON THE OTHER SIDE.
Check the condenser for stains which is a sign of a leak. Compressor issues can be difficult to diagnose and repair so make sure you bring your car to the experts to make sure. 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.
Hot liquid refrigerant stays hot. Answer 1 of 10. In case you have faulty fans there is no doubt car blowing hot air instead of cold A visual inspection can easily let you know if something is wrong with the fans.
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. This situation can be caused by a bad blend door also called air mix actuator a broken or binding blendair mix door broken linkage to the blendair mix door or a faulty HVAC control head or wiring harness. A Faulty Expansion Valve.
In case your air conditioning condenser is blocked by some kind of debris driving on the road it wont be able to cool the refrigerant properly and your car will continue to work with overheated coolant. A damaged wiring system could lead to your car AC blowing hot air. A refrigerant leak is unique in the sense that refrigerant evaporates instantly into a gas once it isnt under the pressure of your closed loop AC system.
This is especially common in the lower or upper corner areas. Why is My Car Air Conditioner Not Working. 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.
In this way hot refrigerant remains to be hot. So there are two possibilities why AC doesnt work. The other possibility is that you have a temperature control door actuator that is malfunctioning.
Other possibilities include a faulty compressor broken cooling fans or an issue in your electrical system. Even well experienced car mechanics may be surprised to learn that as little as 4 to 8 ounces undercharged of 134A can make such a huge difference. But if you are 100 positive that the wording is correct there are few logical reasons.
It is also possible that the problem could be with your refrigerant or lack of it. Inoperative electric radiator cooling fans are a very common reason for hot air at idle cold air while driving. 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.
Whenever your car AC continuously switches back and forth between hot and cold chances are that the expansion valve is faulty. Any degree of blockage in the system can lead to the condenser not being able to execute its principal function. The reason it blows hot air on one side may be because of low refrigerant levels or because of HVAC door issue.
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.
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