Major Car Air Conditioner Components That Get Checked During Regular AC Service

Posted on: 20 August 2020

Although air conditioning is a standard feature of most modern cars, it wasn't always available in cars. On hot days, car air conditioners help beat the heat by drawing warm, stuffy air from the interior of cars and delivering cool, relaxing air supply.

Like other parts of your car, the AC unit requires regular upkeep in order to meet the cooling load of the vehicle's interior. That's why it is recommended that you have your auto AC system checked by a professional regularly.

Your car's AC system is made up of several components that can affect its performance when neglected. Highlighted below are a few key components of your car AC unit that will be inspected during regular servicing.


Air conditioners require refrigerant to provide cooling power, and your car's AC is no different. Refrigerant is the essential working fluid that absorbs heat from the warm air inside your car cabin and dissipates it outside by passing it through various car AC parts like the hose assembly, compressor, and evaporator fins.

Refrigerant isn't designed to evaporate from your AC system, so an occasional decrease in refrigerant level indicates possible refrigerant leaks within the system. Without an adequate amount of refrigerant in your AC unit, the unit's cooling performance will suffer.

When servicing your auto AC system, a car AC technician will check the system's refrigerant level. If it is found that you lack a sufficient amount of the fluid, they will identify and seal the leak spots before replenishing its supply.

Air Filter

An air conditioner doesn't just cool the air inside your car — it also cleans it. The air filter in your car AC system performs this function by removing dust and other airborne particles from the air that gets pulled into your aircon.

Over time, the air filter becomes clogged with dirt and debris and will need to be replaced. Car air conditioning service presents the perfect opportunity to check and replace dirty and ineffective air filters, which can hurt the cooling performance of your car's AC system.

Vent System

Your car's AC vents deliver cool and clean air to the interior of your car. If you notice a foul or musty smell coming from your AC unit, it could be that the vents are dirty or infested with mould. 

Regular cleaning of your car AC vent system helps keep your cool, conditioned air clean and smelling fresh. 

Contact a car air conditioning service close to you for more information about what they do when servicing car AC units.