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The cabin air filter (also known as the pollen filter, AC filter, dust filter, hvac filter and hepa filter) in your 2011 Subaru Legacy cleans the air that you and your passengers breath inside of your car. You need to change it at least once a year or every 20,000 miles, whichever comes first. In addition to improving the air quality of your Legacy, replacing your cabin air filter will put less strain on your heating and air conditioning system and can increase your gas mileage. These filters are fairly inexpensive, so check out our parts page for great deals on a new one (tip: buy several, when you go to check the cabin air filter on your Legacy, you can easily swap it for a new one if it is dirty).
Not all Subarus have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (2.5i Premium). If your Legacy smells bad when you turn on the heater or air conditioner, or it seems like the fan doesn't blow air as well as it used to, replacing your cabin air filter is a likely the best fix! The video above shows you where the cabin air filter in your 2011 Legacy is located and how to check it.
Learn where your air filter is located and how to determine if it needs to be changed.2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.
A check engine light can be cleared with a simple fix or it could be a major problem - find out now!2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.
DRLs are on more than your headlights. They burn out faster and should be replaced regularly2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.
If you have an electrical component that doesn't work, try replacing the fuse first2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.
Your coolant should perform well under any condition - just like Aaron Rodgers!2011 Subaru Legacy 2.5i Premium 2.5L 4 Cyl.