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Checking the oil in a Grand Marquis is fairly easy and should be done once a month. Note that most Mercury have an oil pressure gauge next to the speedometer - this gauge does not tell you what your oil level is, however the video above will show you how check the oil level in your 1999 Mercury Grand Marquis. Make sure your engine is cold when you check the oil in your Grand Marquis. Otherwise the dipstick will read slightly low. In addition to checking the oil level, you also want to look at the condition of the oil when you have the dipstick out. If the oil in your Grand Marquis is dirty or smells like gasoline, you probably need an oil change.
If you notice that the oil level in your Grand Marquis is extremely low or empty, fill it up and check it again the next time you drive. If it is extremely low again, have your mechanic take a look before driving it much more.
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!1999 Mercury Grand Marquis LS 4.6L V8
Small bulbs that burn out regularly - did you know you can replace these with LED lights?1999 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
Unlike a waist belt, these usually become looser as they age! Learn how to check it 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
See how to seal up minor power steering fluid leaks1999 Mercury Grand Marquis LS 4.6L V8