Car Air Conditioning FAQS
Car Care Evolution are well placed to take care of all of your Automotive Air Conditioning Re-gas, Repairs, Servicing or Inspection needs
Your vehicle should be taken to a reputable workshop such as Car Care Evolution on a regular basis to ensure the air conditioner system continues performing efficiently as well as having the mechanics go over the condition of the entire car.
Repco Authorised Service mechanics perform a 65 point Vehicle Inspection with every service and can warn you about any components that may need to be renewed in the near future or those that are already worn beyond repair.
Car Care Evolution can arrange automotive air conditioning service with a licenced technician in and around Malaga and the surrounding areas.
Air Conditioning FAQ's
How does a car air conditioner work so efficiently?
A car air conditioning system can be broken down to four basic parts - a belt driven pump called a compressor to compress and circulate gas, the condenser to dissipate heat and condense gas to a liquid, an expansion device, called an orifice tube or a thermal expansion valve (TXV) (dependent on the type of air conditioner system used). Systems using orifice tubes also have an accumulator before the compressor to remove moisture from the refrigerant while TXV systems have a receiver-dryer before the evaporator to perform the same crucial task. Both the accumulator and receiver-drier are also used to store refrigerant.
A vehicle air conditioning system is designed to extract heat from the air in the interior area of the vehicle and transfer it to the exterior, leaving only cooled or 'conditioned' air behind to be recirculated. Hot air is passed across a gas filled evaporator, where the heat is easily absorbed by the refrigerant (in gas form), effectively removing the heat from the air in the car.
The now heated gas is pulled through the compressor where it is further heated (via compression). The next stage involves the refrigerant being forced through the condenser to quickly extract the heat from the refrigerant. The refrigerant, now condensed to a liquid, then moves through the expansion device (either a TXV or Orifice tube), which regulates the flow of refrigerant going to the evaporator, changing the high-pressure liquid to a low-pressure mist (gas). A fan blowing over the cold fins of the evaporator produces the cold air being blown into the car and the entire process then begins all over again.
What does a car air conditioner service involve?
A typical air conditioner service may include some of the following items;
Air vent temperature assessment
- Condenser temperature test
- Ensure suction line temperature correct
- Pulley and drive belt correction
- Check that valves and thermostats are operating correctly
- Cleaning the condenser fins
- Ensure adequate condition of components and hoses
- Evacuation and recharge of refrigerant (where required)
- test system lines and components for leaks
Why do I need a car air conditioner system service?
Seizing of the compressor can be prevented by checking or changing the oil in the refrigerant. If the air filters are jammed with dirt and bacteria it will affect the performance of the entire system and it can even cause it to quit functioning completely. In addition to degrading air conditioner efficiency, dirty air filters can cause all kinds of health problems too.
An air conditioner should be checked for problems yearly for any signs of decay in the connections, seals and hoses and ensure refrigerant pressure is being maintained over time. Regularly servicing your car air conditioner system keeps refrigerant at optimum levels meaning the system does not need to work as hard and this in turn protects the system from damage and reduces the amount of fuel being burned.
Why does the car air conditioner need to be serviced?
A vehicle air conditioning system is designed to extract heat from the air in the interior area of the vehicle to the exterior, leaving only cooled or 'conditioned' air behind to be recirculated. This is achieved using a special compound called refrigerant, capable of readily absorbing heat as a gas and quickly losing heat as a liquid.
Being exposed to the mercy of the elements and very harsh operating temperatures and being expected to operate intermittently rather than being 'Always On' can have a detrimental effect on the hoses, connections and seals. Your vehicle air conditioning system should be examined on a regular basis to ensure there are no problems or refrigerant loss due to failure or leakage from these points.
Simply by cooling the air in your car under normal running conditions, the filters of the air con get dirty and intermittent use can cause seals to dry and crack, allowing them to leak. Even without leaks, the gas in a car air conditioning system will eventually begin to degrade or evaporate over time and should be recharged where required to keep the air con system in peak running condition.
Can I service my own Air Conditioner?
Only qualified mechanics with the appropriate training should attempt to service a car air conditioner. Specific licences are required to be able to service or repair some types of car air conditioning systems, especially where regas (recharging of the refrigerant) is concerned. Strict guidelines and procedures must be adhered to when handling certain refrigerants, which must always be fully recovered and not allowed to escape into the atmosphere during servicing.
Refrigerant can also pose serious health risks if handled incorrectly. Specialist equipment is also required as the air conditioning system is under extreme pressure and must be pulled into a deep vacuum to remove any moisture, to avoid seriously damaging the system.
Car Care Evolution can arrange Air Conditioning Service with a Licenced Technician. You can find out more about licensing on the Australian Refrigeration Council (ARC) Website.
What is the cause of the bad smell in car air conditioning?
The damp environment can promote the development of microbes, bacteria and even fungus growth inside the evaporator core. This can lead to nasty smells and possibly even be bad for the health of any vehicle occupants. Newer type evaporator units may be more efficient but they are often more likely to trap moisture allowing microorganism growth.
Car Care Evolution mechanics have access to special ultrasonic technology to ensure the extermination of any micro-organisms that may be the source of unpleasant smells or health issues.
Just ask about our MIST service, which will kill any bacteria that may be lurking in your car’s air system. These bacteria can cause odours and even make you sick, especially if you have allergies or asthma. A MIST service doesn’t just make your car smell better - it makes it healthier for you and your family.