The Air Conditioning System is a vital component for the passenger comfort of a vehicle, which is hard to live without, especially in a tropical country like Sri Lanka. With average summer heat at it’s height during this April, the need for a properly functioning air conditioning system is greater than ever before.


  • Why the air conditioning system should be cleaned?


Similar to all mechanical parts of a car, the components of an air conditioning system can also be subject to wear and tear, costing you money in the long term.


  • Taking the air conditioning system apart


A typical air conditioning system found in a car is made out of five key components that needs to be inspected and cleaned separately for its optimum performance. These include:


  • The Compressor


The compressor is considered as the heart of an air conditioning system and is the component that pressurises the refrigerant in order to cool down the intake air.


  • Expansion Valve


The expansion valve is the component that’s responsible for converting the system from high pressure to a low pressure one allowing the system to go from hot to cold.


  • The Accumulator


The accumulator, which is also known as the Receiver-Drier, compresses the gas form of the refrigerant and captures the liquid form from leaking. This will help to prevent damage to the Compressor.


  • The Evaporator


The warm air that comes from the vehicle passes through the evaporator, while the refrigerant absorbs it. Afterwards, it condenses the humidity, which is removed using a tube.


  • The Condenser


The condenser, which is located close to the vehicles radiator, absorbs the heat from the high-pressure vapour that is sent its way, cooling it down and transmitting it as a high-pressure liquid.



  • Flushing the system


You should flush the system, ideally using an “Air-Con cleaner” to remove any particles, debris or gunk that limits the flow of the refrigerant in your vehicle’s air conditioning system.


  • Checking the Ducts


Inspect and see whether there are any leaks from the duct tubes. Check for small perforations on the surface and if you see any, then patch them up.


  • Inspecting the Accumulator


Examine the accumulator to see whether it is clogged with dust or other debris. If the clogging is too severe, then replace it for a new one.

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