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The engine air filter in your 1999 Mercury Grand Marquis cleans the air that enters your engine. You should change the filter on your Grand Marquis 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 Grand Marquis 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 Grand Marquis and how to change it!
In addition to improving the fuel economy of your Grand Marquis, 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 Grand Marquis, you can easily swap it for a new one if it is dirty).
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here
1999 Mercury Grand Marquis LS 4.6L V8If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner
1999 Mercury Grand Marquis LS 4.6L V8Learn how to diagnose and fix minor oil leaks in your car
1999 Mercury Grand Marquis LS 4.6L V8If your brake fluid is a little low, learn how to add some here. Ignoring a low level leads to big problems
1999 Mercury Grand Marquis LS 4.6L V8One of the easiest fluids to top off - learn how to open the hood and where the reservoir is on your car
1999 Mercury Grand Marquis LS 4.6L V8
