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The cabin air filter in your 2004 Subaru Legacy filters the air that is blown from your heater or air conditioner into the cabin of your Legacy. You need to change it at least once a year or every 20,000 miles. Replacing the cabin air filter (also know as the dust filter, hvac filter, pollen filter, air conditioner filter and hepa filter) will improve the air quality of your Legacy, 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 - they don't expire and you will be able to quickly swap the old one out for a fresh one).
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 (L). Newer cars are more likely to have a cabin air filter than older models. If your Legacy has a funky odor when you turn on the heat or air conditioner, or it seems like the fan doesn't work as well as it used to, replacing your cabin air filter is a quick and cheap fix! The video above shows you the cabin air filter location in your Legacy and how to change it!
There's no reason to check the washer fluid level without adding some - see how to do it here!2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Carmakers are hiding interior fuse boxes all over the place these days - see how to check your interior fuses here!2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
If you are leaking oil and parking on your oil spots each night, the oil is breaking down your tires' rubber2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Replacing a dirty air filter can improve gas mileage by up to 4%. Isn't efficiency great?2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Low coolant levels is all to common - top yours up today2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!2001 Subaru Outback Limited 2.5L 4 Cyl. Wagon