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Unread 01-27-2012, 12:45 PM   #16
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2009 KK Liberty 
Join Date: Nov 2011
Location: detroit, mi
Posts: 57
I would imagine the cabin filter is a tighter weave ... kind of like the heppa filters on vacuum cleaners? They will block smaller particles while the engine air filter isn't quite a sensitive to tiny particles - it's primary purpose is to keep airborne dust (like driving down a dirt road) and bugs from finding their way into the combustion chamber. Because of that, they'll fill faster than the engine filter. Not only that, from the picture it looks like the cabin filter is smaller - smaller intake surface area.

Just guessing ...

I'll have to check mine to see if it has one too ... I occasionally get an odd smell when I turn the heater on full, maybe it's picked up some engine smells or something?? Dunno ...

jeepster-d is offline   Reply With Quote
Unread 01-27-2012, 07:54 PM   #17
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2008 KK Liberty 
Join Date: Dec 2007
Location: mlps
Posts: 201
I changed my filters today, man were they clogged and black. I tried some carbon infused filters will see how they work. It has been 2 years since my last change.

Dave_B is offline   Reply With Quote
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