How to Replace a Cabin Filter — DIY Guide for Any Car

Where Is the Cabin Filter?

On most cars, the cabin filter is located behind the glovebox. On some models, it’s under the bonnet in the scuttle panel area (the base of the windscreen). Check your handbook or our model-specific guide for exact location.

Step-by-Step (Behind Glovebox)

  1. Open the glovebox and empty it.
  2. Release the glovebox stops — usually squeeze the sides inward or release a clip on each side.
  3. Lower the glovebox past its stops to reveal the filter housing.
  4. Open the filter housing cover (press tab or release clips).
  5. Slide the old filter out. Note the airflow direction arrow.
  6. Insert the new filter with the airflow arrow pointing downward (or as marked).
  7. Refit the housing cover and glovebox.

Step-by-Step (Under Bonnet)

For cars with the filter in the scuttle panel:

  1. Lift the bonnet.
  2. Remove the scuttle panel covers (usually plastic clips or T20 Torx screws).
  3. Locate the filter housing and remove the cover.
  4. Slide the old filter out and insert the new one, matching the airflow direction.
  5. Refit the housing cover and scuttle panels.

Frequently Asked Questions

How often should I change the cabin filter?

Every 12,000-15,000 miles or once a year, whichever comes first. If you drive in urban areas or suffer from hay fever, consider every 6 months.

What happens if I don’t change the cabin filter?

A clogged filter reduces airflow to the heating/air conditioning system, increases strain on the blower motor, and allows pollen, dust, and pollutants into the cabin.

Can I clean a cabin filter instead of replacing it?

You can tap out loose debris, but the filter material degrades over time and cannot be effectively cleaned. Always fit a new filter for best air quality.

Recommended Products

Bosch Cabin Filters

Bosch Cabin Filters

Premium activated carbon cabin filters

View on Amazon

Mann Cabin Filters

Mann Cabin Filters

OEM-quality cabin air filtration

View on Amazon

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