What is white plastic tank under the air filter for?
Just noticed that underneath the air filter in my 2015 Forester, there is a large white plastic tank, similar in appearance to the windshield and coolant tanks. What is it exactly? I can't find any mention of it in the owner's manual. Just curious.
I think that's just to catch any fluid that happens to get into the air filter. That's a different way of doing it, but if it ain't broke don't fix it.
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