![]() ![]() ![]() On most cars, a simple ECU scan should find out the error code. ![]() They don’t fail often but when they do it can get difficult to diagnose it. First, try with replacing the refrigerant (R-134a Freon) but if that does not fix the issue then get the compressor checked by a technician.Ĥ) Faulty temperature controller: The temperature controller on today’s cars are mostly electronic. When this happens, it gets difficult for it to turn to gas from a liquid state. The refrigerant or ever compressor can wear out over a period of time. Here’s how to do it:ģ) The refrigerant or Compressor have got old: Just like everything on a car, there is wear and tear on the AC system also. I found this car ac recharge kit on Amazon ( checkout the latest price here). You can get it done from a workshop or you can also buy a DIY kit. When this happens, the compressor does not work properly.Īll you need to do in this case is get the gas refilled from refrigerant charge port located under the hood. Some gas pressure might leak out of the system over the time of multiple years. They are quite cheap.Ģ) Low refrigerant gas pressure: The AC system is a pressurised unit but it’s not 100% leak proof. It’s generally located under the glovebox area, so inspect it and replace if it looks dirty. However, over time, they get clogged up, especially if you drive in a dusty environment. Some of them even have anti-bacterial properties. The cabin filters cleans the air flowing into the passenger compartment. Here are some things you need to check when your car’s air conditioner is not cooling effectively or your passenger say that your car AC is not cold enough.ġ) Clogged cabin filter: This is the first thing you should check as it’s also the easiest to do. Wonder why your car AC is not cooling like it use to? Now that you have learned about how car air conditioner actually works, you must have already got some ideas to fix it. The heat exchange is completed and the refrigerant continues back towards the compressor to start the process all over again. This air is then blown into the cabin through air vents. This AC Fan then blows air through the evaporator core to cool down the hot air. The evaporator is the only component of an AC system that’s installed under the dashboard. ![]() This removes the moisture from the refrigerant.ĥ) Job of Evaporator: Now, the dried cold gas is passed through the evaporator. As the liquid refrigerant passes through this valve and enters the low-pressure area, it turns back into gas.Ĥ) Job of Reciever | Dryer | Accumulator: In the gaseous state, the refrigerant enters the dryer. This separates the high pressure and low-pressure areas of AC system. In the condenser, the refrigerant passes is cooled by air that gushes through the condenser.ģ) Job of Expansion Valve: Expansion valve is a restriction in the pipe. Since the system is pressurised in this area, it’s called “high side”.Ģ) Job of Condensor: Condenser is a radiator-like heat exchanger that helps cool down the refrigerant as it’s heated during the compression cycle. Let’s see what all these components do:ġ) Job of Compressor: As the name suggests, the compressor compresses the AC gas to convert to fluid and pushing it through the refrigerant line. This is generally between three to four pounds. Every car manufacturer specifies the required gas pressure in the workshop manual. Or I should say that it’s pressurised from inside by refrigerant (AC gas). A car’s AC unit is comprised of 5 main componentsĪC component location (source: ) How often should you replace Freon gas in Car AC?Īll air conditioners, irrespective of the car make works in a similar manner.What are the Most Common Car AC faults?.How can you cool down your car quickly?. ![]()
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