Tag: recirculated air

2005 Toyota 4 Runner,in cabin air filter access.Glove compartment removal.

Cabin air filters remove dust and pollen from the outside air entering the AC system. Re-circulated air should already be cleaned by the cabin air filter as it entered the car. All sources and heated air only are ruled out by the filter being in the outside source, which supplies air for ventilation, heating, and AC operation.

Do you need to get the ac cabin filter in your vehicle replaced ?

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