5 Signs Your Car’s Air Conditioning Needs Repair

On hot days, your car’s air conditioning system is one of the most important features of your vehicle. However, it’s also a system that is prone to the wear and tear that inevitably comes with frequent usage. If your car’s air con fails on a hot day, it can turn a comfortable drive into a sweaty nightmare.

To prevent untimely air con failures, it’s important to have your vehicle regularly checked, serviced, and repaired as necessary. Knowing when your vehicle is in need of a car air con service can be challenging, but there are ways to determine you’re due for an aircon regas. Here are four of the most common signs of a damaged air conditioning system that let you know you should book an appointment with a qualified mechanic.

Weak Airflow

One of the most obvious signs of an air conditioning system in need of a service is weak airflow from the cabin vents. This weak airflow may mean the air is having trouble reaching your air vents. This is often caused by a buildup of mould or mildew in the evaporator core, or a broken ventilation fan. However, it can also be caused by other issues such as an opened core case seal, house seal, or evaporator core case seal, as well as a loose blower house – all of which can make the car aircon blower weak.

There are several different issues that can impact the amount of air reaching the cabin of your car. If you regularly notice a weak airflow, it’s important to get your air conditioning checked by an expert who can properly diagnose and fix the problem before it becomes a larger issue.

Car Air Con Noise

If you’re constantly hearing a strange rattling noise when you turn your car’s air conditioning on, or if you hear the car aircon making hissing noise, it’s likely there is an issue with a component within the system. It’s impossible to know exactly what is causing the rattles in your air vents without getting the air conditioner serviced by a qualified mechanic. A rattling noise is often a sign of a broken fan belt or condenser. However, it could also be a result of debris or a crucial component has come loose. If you do hear an unusual noise, it’s best to get it checked as soon as possible as it can indicate a more serious issue.  

Bad Smell

If your air conditioning smells like sweaty clothes, this can be a sign that your cabin air filter is damaged. This filter should be regularly cleaned, or replaced as necessary, to prevent long-term damage to the air conditioning system. By properly maintaining the cabin air filter, you’ll not only keep the air inside your car clean and fresh, but you’ll also save money by reducing fuel consumption.

Another common cause of unpleasant odours is a mouldy evaporator case or air vent. This is particularly concerning, since some people are allergic to moulds. To prevent this problem, it’s important to regularly have your car’s evaporator case and air vent cleaned. You should pay attention to any strange odours in your car, since certain smells can indicate problems that require immediate attention in order to keep you safe on the roads.

Only Warm Air 

Sometimes when your air conditioning system isn’t functioning, the vents initially blow cold air that turns warm over time. This can be caused by a number of underlying issues, including a clogged expansion valve that restricts flow from the refrigerant into the evaporator. It can also indicate a damaged compressor, or a blown fuse – all of which are problems you should get checked right away. When your air con blows hot air, a straightforward repair by a mechanic can restore the system to its full efficiency. This means a more comfortable and safer driving experience for you and your passengers during those hot summer months.

Australia’s Auto Air Con Experts 

At Highfields Mechanical, our experienced team specialises in car air conditioning maintenance and repair. We are fully equipped with the latest temperature control tools and diagnostic equipment, and always ensure any repairs or servicing will comply with your vehicle manufacturer requirements. 

When you next need a car air con repair, Highfields Mechanical can get you back on the road with cool air to keep you comfortable. Give us a call today on (07) 4646 1780 or fill out our online contact form and we will be in touch.

How Often Should I Get a Car Aircon Regas?

Most people don’t give much thought to their car’s air conditioning system until it stops working on a hot day. While your car’s climate control is easily overlooked, the truth is that it is one of the most important systems for maintaining your comfort levels on the road. A problem with your air conditioner can also reduce windscreen visibility, which affects your ability to drive safely. These are just a few of the many reasons you should book an auto air conditioning service as soon as you notice any problems.

Like most other parts of your car, the air conditioner requires regular maintenance in order to function properly. It is recommended that you schedule a car air con regas every 1-2 years.

What is a Car Aircon Regas?

A regas involves a specialised machine that can flush, recharge and test the car air conditioning system. When using the correct equipment, this can be done in an environmentally friendly way without releasing any of the refrigerant into the atmosphere.

A typical comprehensive car air conditioning service will generally involve: 

  • A visual inspection of the whole system, which may also include a diagnostic check of the air conditioning system with a scan tool
  • Checking system pressures to determine if there are leaks or weak seals that need to be repaired or replaced
  • Testing the system to ensure the correct operation of control switches, system pressure switches, thermostats, blower motors, and compressor clutches
  • Checking the temperature of the condenser while the system is running

Air conditioning is not usually included in a general car service, so you may like to use your regas as a chance to book a comprehensive air conditioner service with Highfields Mechanical. This has the added bonus of increasing the lifespan of the air conditioner.

How to Maintain Your Car Aircon

The easiest way to determine whether your car air conditioning needs to be repaired is if it stops working altogether. However, as uncomfortable as this situation may be, it is actually just as problematic when the car air conditioner is still working — but doing so inefficiently. This is most often due to the general wear and tear that occurs within the climate control system. The problem with a poorly maintained air conditioner is that it will place higher demands on the car whenever it is in use, which means more petrol consumption.

Most manufacturers recommend that a car air conditioning system undergo regular inspections to ensure reliable and consistent performance. When a vehicle is still covered by its warranty, the manufacturer specifies which checks and services should be carried out in order to maintain the vehicle warranty.

The experienced team at Highfields Mechanical are fully equipped with the latest automotive tools and technology to ensure you get the best results and maintain your manufacturer’s warranty. With our high quality service and expert knowledge of most vehicle makes and models, our team can identify small problems with your car’s air con before they become major issues. 

To find out more about car air con repair, contact the qualified mechanics at Highfields Mechanical today. Give us a call on (07) 4646 1780, or send us a message using our online booking form.