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The engine air filter in your 2002 Audi A4 Quattro cleans the air that enters your engine. You should change the filter on your A4 Quattro at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your A4 Quattro to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your A4 Quattro and how to change it!
In addition to improving the fuel economy of your A4 Quattro, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your A4 Quattro, you can easily swap it for a new one if it is dirty).
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 you2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Did you know that the sun wears out wiper blades faster than rain? Replace your blades twice a year2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Coolant hoses wear out over time and need to be replaced - check 'em early and often2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
If your car is leaking a small amount of power steering fluid - see this video on how to fix the leak2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
See how to seal up minor power steering fluid leaks2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Don't send mixed signals - if your turn signal doesn't blink, or blinks rapidly, you likely have a burnt out bulb2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo