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The cabin air filter in your 2004 Volkswagen Passat filters the air that is blown from your heater or air conditioner into the cabin of your Passat. 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 Passat, 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 Volkswagens have a cabin air filter and for some models, the inclusion of a cabin air filter depends on what trim level you have (GLX). Newer cars are more likely to have a cabin air filter than older models. If your Passat 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 Passat and how to change it!
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2004 Volkswagen Passat GLX 2.8L V6 Wagon
The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you2004 Volkswagen Passat GLX 2.8L V6 Wagon
There's no reason to check the washer fluid level without adding some - see how to do it here!2004 Volkswagen Passat GLX 2.8L V6 Wagon
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2004 Volkswagen Passat GLX 2.8L V6 Wagon
Your coolant should perform well under any condition - just like Aaron Rodgers!2004 Volkswagen Passat GLX 2.8L V6 Wagon
Learn how to diagnose and fix minor oil leaks in your car2004 Volkswagen Passat GLX 2.8L V6 Wagon