Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Air Filter in a Ford Focus

Model: Ford Focus MK 1 - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004
Part: Air filter

See other generations:
Video tutorial

To replace the engine air filter on a Ford Focus, work with the engine off and preferably cold. Open the bonnet and locate the air filter box in the engine compartment.

Access the airbox cover by releasing the clips or screws present (the configuration may vary depending on the trim and engine) and lift the cover enough to extract the filter. Remove the old filter, taking care not to let dust or debris fall into the intake duct, then quickly clean the seating if necessary (without pushing dirt inside).

Insert the new filter, ensuring it is oriented and aligned correctly in the guide, then close the airbox, making sure the cover seals properly and all clips are securely locked. Before closing the bonnet, check that any nearby hoses and wiring are not under tension or misaligned.


Posted on 8 July 2026 by ScegliAuto


Related tutorials

Ford Focus (2004-2011 / MK 2, Focus 2) Let’s look at replacing the engine air filter on a Focus. To replace the air filter, lift the front bonnet where it is located. Raise the front bonne…
Ford Focus (2018-2025 / MK 4) In this new mini guide dedicated to your Ford Focus Mk4 (2023), discover how to correctly replace the engine air filter. This operation is very impor…
Ford Focus (2004-2011 / MK 2, Focus 2) To maintain air quality inside your Ford Focus Mk2 cabin while using the air conditioning, it is essential to periodically replace the cabin air filt…

Other guides you may be interested in

How to Activate the Disabled TRC on the Toyota Yaris?

As the video clearly shows, disabling or activating the traction control (TRC or ESP) on the Toyota Yaris is very simple. By default, the traction system activates every time the vehicle is started. To disable it, simply press the button depicting a skidding car located in the centre of the vehicle where the controls are, such as the hazard lights and the radio, but near the handbrake. Once disabled, the TRC off light will illuminate on the dashboard. To reactivate it, just press the same button again.

Watch the video!


by ScegliAuto

More videos