ar air conditioning (AC) systems work by cooling and dehumidifying the air inside the vehicle using a refrigeration cycle. Here’s a breakdown of how it functions: Main Components of a Car AC System Compressor – The heart of the AC system. It compresses and circulates the refrigerant gas. Condenser – Converts hot, high-pressure refrigerant gas into a cooler liquid by dissipating heat. Expansion Valve (or Orifice Tube) – Reduces refrigerant pressure, allowing it to cool. Evaporator – Absorbs heat from the cabin air, cooling it before blowing it back inside. Refrigerant – The cooling agent (R134a or newer R-1234yf). Blower Motor & Fans – Circulate air inside the cabin. AC Controls & Sensors – Allow temperature and airflow adjustments. How Car AC Works Compression – The compressor pressurizes the refrigerant gas, heating it up. Heat Dissipation – The condenser cools the gas into a high-pressure liquid. Expansion & Cooling – The expansion valve drops pressure, making the refrigerant cold. Evaporation & Air Cooling – The evaporator absorbs heat from cabin air, cooling it down. Recycling – The refrigerant cycles back to the compressor, and the process repeats. Common AC Problems & Fixes ❄ Weak or No Cooling → Low refrigerant, clogged expansion valve, or compressor failure. ❄ Warm Air Instead of Cold → Refrigerant leak, bad compressor clutch, or faulty blend door actuator. ❄ AC Works Intermittently → Electrical issues, sensor failure, or low refrigerant. ❄ Strange Noises → Worn-out compressor, loose belts, or debris in the system. ❄ Bad Smell from AC → Mold in the evaporator or dirty cabin air filter. Maintenance Tips ✅ Run your AC regularly to keep seals lubricated. ✅ Check and replace the cabin air filter as needed. ✅ Have the refrigerant level checked and recharged if needed. ✅ Clean the condenser to remove debris that may block airflow. ✅ Inspect belts and hoses for cracks or leaks. Do you have a specific AC issue you need help with? 🚗❄🔧 Premium car repairs and services Premium Car Repairs and Services In Chennai German Car Repairs and Services German Car Repairs and Services In Chennai Best Car Repairs in Chennai Best Car Engine Service In Chennai German cars are known for their precision engineering and high performance, but they also require specialized care to maintain their peak condition. Premium car repairs and services In Annanagar Bmw Car repairs and Service in Annanagar Audi Car service Centre In Annanagar www.fullthrottleautomotive.in www.ftacarcare.com