Where is the air filter of Audi A3 located?

2 Answers
RhettAnn
08/31/25 8:32am
The air filter of Audi A3 is located inside the glove box on the passenger side. The function of the air filter is to purify the air entering the cabin from outside, improving air cleanliness. Taking the 2021 Audi A3 as an example, it belongs to the compact car category with body dimensions of: length 4351mm, width 1815mm, height 1458mm, wheelbase 2630mm, fuel tank capacity 51L, and curb weight 1400kg. The 2021 Audi A3 features a MacPherson strut front suspension and a multi-link independent rear suspension. It is equipped with a 1.4L turbocharged engine delivering maximum power of 150PS (110kW) and maximum torque of 250Nm, paired with a 7-speed dual-clutch transmission.
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Tracey
09/13/25 4:41am
I often change the air conditioning filter for my Audi A3 myself, which is located under the footwell on the passenger side. Just lift the carpet or remove a small trim panel, and you'll see it tucked in there. It might seem a bit hidden the first time you look for it, but you'll get the hang of it after a few tries. Remember, the clips are plastic, so just pull gently to open them—don't force it or you might break them. I make it a habit to change it once a year, especially before turning on the heater in winter, to keep the air inside fresh and odor-free, which is great for people with sensitive constitutions. It's pretty simple to replace—just order a new filter online for a few dozen bucks, clean out the dust when removing the old one, and pay attention to the arrow direction when installing the new one to avoid putting it in backward, which would affect the filtration. The whole process takes about ten minutes, saving you the hassle and expense of going to a repair shop.
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