How to flush your car AC system & why it’s so important

Forest road

Spring has arrived, and the scent of wattle flowers is in the air. With warmer weather on the way, it’s time to think about getting your car’s air-conditioning (AC) system primed to keep you cruising comfortably! Below, we explain how to flush your car AC system and why it is so important.

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At just the touch of a button, air-conditioning systems in modern vehicles keep you and your passengers comfortable all year around. Some vehicles even have sophisticated systems with zoned ventilation intensity, responsive air distribution, or infrared body and seat temperature sensors that respond to different needs and preferences.

So what’s actually going on behind your favourite ‘auto’ setting? At their core, car AC systems aren’t too dissimilar from your household fridge in how they operate. They use pressure generated by a compressor to transform a liquid refrigerant into icy cold gas (through a condenser), which is then drawn into the cabin of your vehicle.

So what is an auto AC flush, and when do I need one?

Your car’s AC is a closed system – when operating efficiently, only refrigerant and oil (which lubricates the components of the system, allowing them to run smoothly) will circulate through the system. But when that closed system is exposed to contaminants – like bacteria, rust particles or other debris – blockages and other damage can occur. An auto AC flush is a process that clears away contaminants before they cause costly damage down the track. Regular, periodic AC flushing is one of the most cost-effective ways to maintain your car’s AC system in the long term, and an important part of your regular maintenance schedule.

Want to know how to flush your car AC system? It’s definitely a process is best left to car air conditioning mechanics! As your local car air-conditioning specialists, our ARC-authorised and licensed AC technicians will use the latest technology and tools in air-conditioning service to:

  1. Evacuate your car AC system until the pressure drops to zero
  2. Use compressed air to flush dirty fluid from the condenser until all debris and contaminants are removed
  3. Disassemble and inspect all elements of the system for contamination
  4. Reassemble the AC system and reintroduce refrigerant
  5. Recharge pressure to exact specifications and test for optimum efficiency

How often your AC system should be flushed depends on your driving habits and the particular components that make up your air-conditioning unit. We recommend regular, periodic AC flushing as part of your regular maintenance schedule

Keep your car’s air conditioner running at its best with an AC flush

If it’s been a while since you had an auto AC flush, now is a great time to come and see our team! With our ARC-authorised and licensed air conditioning technicians, you can be confident that your A/C system is in the best of hands while you get up to date with your regular maintenance schedule.

Our team uses the RobinAir AC650 Pro – one of Europe’s most popular air-conditioning service units – to provide pinpoint accuracy in auto AC flushes and recharging. This unit is able to provide refrigerant and oil specifications tailored to individual vehicles, and guarantees rapid and full dehydration of your car’s AC system for maximum efficiency. So book an appointment or call the workshop today on 03 9071 0560. We’re here to help you keep your car AC system – and the air you breathe – healthy.

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