What have you learned? Check out the following 3 questions, multiple choice possible.
How often should you change your cabin air filter?
At least once a year or every 15.000 km.
Every 2 years or 30.000 km.
Never, there is no need to change a cabin air filter.
Air filters don’t need to be changed at every vehicle inspection, cleaning them is enough.
Wrong, mechanical stress during the cleaning process can lead to rupture of the pleats – which means the end of the filtration effect.
Correct, cleaning or blowing them through is enough.
You should not buy comparable cheap air filters because:
Cheap air filters can damage the air mass flow meter sensor.
Cheaper materials can cause leaking due to brittleness and poor fit.
The absence of flame-retardant is dangerous: The ember of a cigarette in contact with the filter medium could cause a fire.
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