Filter inspection and replacement
Typical range$45–$75depending on vehicle and filter
Book Your Vehicle Cabin airflow and air quality
Cabin Air Filter Replacement
A clogged cabin filter can cause weak airflow, unpleasant odours and reduced A/C performance even when the refrigeration system is working.
We inspect the filter, confirm the correct replacement for the vehicle and check whether another airflow or A/C fault is also present.
Filter inspectionCorrect vehicle fitmentImproved vent airflowCabin air-quality support
Why the filter matters
Clean airflow supports comfort and system performance.
The cabin filter helps remove dust, pollen, pollution and other airborne particles from air entering through the ventilation system. A restricted filter forces the blower to work against reduced airflow.
Vehicles used in dusty conditions, heavy traffic or with frequent outside-air exposure may need replacement sooner than a simple time interval suggests.
Why inspection comes first →Signs and benefits
When to check the cabin filter
Filter condition should be assessed alongside the symptoms rather than assumed to be the only cause.
01 Restricted airflow symptoms
A dirty filter can reduce the volume of air reaching the cabin.
4 points
Restricted airflow symptoms
A dirty filter can reduce the volume of air reaching the cabin.
- Weak airflow from the vents
- Blower sounds strong but little air is delivered
- Cooling feels less effective
- Windows take longer to demist
02 Cabin air-quality symptoms
A contaminated filter may contribute to dust and stale smells.
4 points
Cabin air-quality symptoms
A contaminated filter may contribute to dust and stale smells.
- Musty or stale odour
- Visible dust or debris from vents
- Filter discoloured or packed with debris
- Increased pollen or dust inside the vehicle
03 Replacement benefits
A clean, correctly fitted filter allows the ventilation system to operate as designed.
4 points
Replacement benefits
A clean, correctly fitted filter allows the ventilation system to operate as designed.
- Restores unrestricted cabin airflow
- Helps capture dust and pollen
- Supports heating and A/C efficiency
- Reduces strain caused by a heavily blocked filter
Important: Weak airflow can also be caused by blower, evaporator or duct faults, so persistent symptoms may require a full A/C inspection.
Checked during A/C servicing
A small maintenance item can make a noticeable difference.
Cabin filters are often overlooked because they sit out of sight. Inspection shows whether the filter is serviceable, dirty or severely restricted.
Vehicle-specific fitment
Filter access and specification vary by make and model.
Check the wider system
We can investigate if airflow remains weak after replacement.
Most manufacturers use a time or distance interval, commonly around 12 months or 15,000–20,000 km, but conditions matter.
Cabin filter pricing
Replacement matched to your vehicle
What the service covers
- Inspect existing filter condition
- Confirm correct vehicle fitment
- Supply and install replacement filter
- Check airflow after installation
The WordPress price is retained as a general range. Exact cost varies by make, model, filter type and access; we confirm the price for your vehicle.
Common questions
Cabin filter FAQs
Clear answers before you book your vehicle with our specialist workshop.
View all FAQs →What does a cabin air filter do?
It filters dust, pollen, pollution and other airborne particles from air entering through the vehicle ventilation system.
How often should it be replaced?
Many manufacturers suggest about 12 months or 15,000–20,000 kilometres, with more frequent replacement in dusty or heavy-traffic conditions.
Can a dirty filter affect the A/C?
Yes. A clogged filter restricts airflow and can make cooling feel weak even when the refrigeration circuit is operating.
Is the filter checked during an A/C service?
Yes. Cabin filter condition is part of the airflow assessment and replacement is recommended when it is dirty or restricted.
Start with the right diagnosis
Book your 24-Point A/C Inspection.
Every service starts by checking what the system actually needs. Bring your vehicle to our Mount Gravatt East workshop for a clear diagnosis and the right next step.