Why is there often a lot of dust in small cars?

2 Answers
LaWalker
07/24/25 10:42am
The reason why there is often a lot of dust in small cars is poor sealing. Other reasons for excessive dust: The vehicle's sealing has issues, leading to poor sealing and allowing a large amount of dust to enter the cabin. The vehicle's air conditioning filter has reached the end of its service life and can no longer filter the air. The owner needs to replace the vehicle's air conditioning filter promptly. Introduction to the filters: There are two filters related to air filtration in vehicles: one is the air conditioning filter, and the other is the air filter. Both filters are responsible for filtering the air. Generally, there are two air conditioning filters—one located in the front engine compartment and the other behind the glove box on the passenger side inside the vehicle. The former is mainly used when the air conditioning is in external circulation mode, while the latter is used when the air conditioning is in internal circulation mode. The primary purpose of both is to provide filtered air for the vehicle's air conditioning system. If the air conditioning filter fails, the vehicle will inevitably accumulate a lot of dust. Additionally, the owner should check the vehicle's sealing condition. If the sealing strips are damaged, the cabin will also have a lot of dust.
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McGarrett
08/11/25 5:45am
I often encounter the issue of excessive dust in small cars, mainly due to several reasons: Poor sealing of doors and windows is the primary cause, especially in older cars where the rubber seals have aged or are improperly installed, allowing external dust to seep in; Not replacing the air filter for too long can also attract dust, as a dirty filter not only fails to block dust but also blows it into the car; Poor parking locations, such as near construction sites or under trees, lead to dust accumulation when the wind blows; The car's interior materials, like certain plastics or fabrics, easily attract and retain particles, making cleaning difficult; Personal habits can also invite dust, such as frequently driving with windows open or ventilating during dusty weather, inadvertently bringing in dirt. It's recommended to regularly check door seals, replace the filter periodically, be thorough when cleaning, use dust-removing sprays for the interior, and choose clean parking spots to significantly reduce dust issues.
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