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This video shows you how to fix minor oil leaks in your 1999 Mercury Grand Marquis and how to tell if the fluid leaking from your Grand Marquis is oil, how to check your oil level and how to fix the oil leak. Low oil levels can wreck your engine, so it is important to be proactive about oil leaks, however small. Oil leaks in the 1999 Grand Marquiss with the 4.6 liter engine are often due to a bad seal in the drain plug - the metal washer in your drain plug can only be tightened a few times before it loses its ability to seal and should be replaced periodically to prevent leaking. Replacing the metal washer should only be done when you change the oil in your Grand Marquis, fortunately the video above shows how to fix the minor leak in the interim.
Make sure that your engine is cold and that your Grand Marquis is parked on a level surface when you check the oil level as both of these things can cause the oil level to read low. Check our What is Leaking? video to see what type of fluid is leaking from your Grand Marquis if you need help figuring out what type of oil is leaking from your Grand Marquis.
If your battery has green or white cruddy deposits, it is probably not getting enough juice from and will likely wear out sooner1999 Mercury Grand Marquis LS 4.6L V8
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it1999 Mercury Grand Marquis LS 4.6L V8
See how to seal up minor power steering fluid leaks1999 Mercury Grand Marquis LS 4.6L V8
Power steering fluid is easy to check and many people (mechanics included) often forget about - learn how here1999 Mercury Grand Marquis LS 4.6L V8
Flushing the coolant in your car is not that hard and will extend the life of your engine tremendously - learn how here!1999 Mercury Grand Marquis LS 4.6L V8
Your coolant should perform well under any condition - just like Aaron Rodgers!1999 Mercury Grand Marquis LS 4.6L V8