What can low oil do to my Mercury Grand Marquis engine?

Motor oil lubricates important engine parts. If you're low or out of oil, these components can grind against each other, generate excess heat, and cause your Grand Marquis’s engine to fail. That’s why you should check your oil and get it changed regularly.

How hard is it to change Mercury Grand Marquis oil at home?

Changing engine oil at home isn’t as simple as it’s made out to be. You’ll have to buy special tools and figure out a way to recycle the old oil properly. Getting a professional oil change reduces the risk of something going wrong during the service, but also help your car perform down the road.

Why is my Mercury Grand Marquis exhaust smoke grayish or blue?

Your engine could be burning oil due to a leak. It may be time for a pro to take a look. The leak could be the result of worn valve seals, blown piston rings, or old cylinder walls.

Where can I get Mercury Grand Marquis oil changes?

Turn to Firestone Complete Auto Care for Mercury Grand Marquis oil changes. In addition to changing your oil, our experienced technicians also perform oil filter replacements, troubleshoot oil leaks, and suggest the correct oil to help keep your engine performing its best.

Why is the oil light on in my Mercury Grand Marquis?

Your Mercury Grand Marquis oil change reminder light might illuminate if it’s been too long since your last oil change. On the other hand, the oil pressure light might illuminate due to a clogged oil filter, a faulty oil pressure sensor, low engine oil levels, or a malfunctioning oil pump.

Do I need to replace my Grand Marquis’s oil filter when changing my oil?

It’s highly advised you replace the oil filter in your Mercury Grand Marquis every time you change the oil. After all, what’s the point of changing our oil if you’re just going to send fresh, clean engine oil through an already dirty filter?

1991 Mercury Grand Marquis Oil Change Service

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Schedule an Oil Change for Your 1991 Grand Marquis

Help your 1991 Grand Marquis engine last longer with regular oil changes and lube service. Schedule an appointment now!

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How Often to Get 1991 Mercury Grand Marquis Oil Changes

Not sure how or where to get your Mercury Grand Marquis’s oil changed? Get the advice you need at Firestone Complete Auto Care! We are experts in car care — not just tires. We know all about motor oil, too. After all, "Oil is the blood of the engine. It's the #1 thing you can do for your car," says our maintenance technician, Brianna.

Mercury recommends having your 1991 Mercury Grand Marquis’s motor oil changed at regular intervals. See mileage and month specifics in the above table. Your Grand Marquis may need an oil change right away if your check engine/oil change light is on, you hear knocking sounds coming from the engine, smell oil inside the vehicle, or notice an unusual amount of exhaust. You might need an oil change more frequently than what’s recommended by Mercury if you regularly haul heavy loads, drive in dusty terrain, adventure off-road, or drive at low speeds for long distances. Generally, getting more frequent oil changes won’t hurt your Mercury Grand Marquis. In fact, more frequent oil changes give our technicians more opportunities to catch and alert you to any issues, like worn brake pads or a weak battery.

What Kind of Oil Should I Get for My Mercury Grand Marquis?

Whether it’s synthetic, conventional, or a blend of both — your local Firestone Complete Auto Care has the right oil for your Mercury Grand Marquis. Mercury has recommendations as to whether conventional or synthetic oil is the best oil for 1991 Mercury Grand Marquis vehicles. Motor oil reduces friction between engine components, regulate engine temperature, and keep harmful substances from building up inside the engine. During an oil change, an auto technician will change your Grand Marquis’s oil, replace and recycle your used oil and oil filter, check all of your other filters, top-off essential fluids, and perform a courtesy inspection on your entire vehicle. You can rest assured knowing that we seek to do what’s best for your Grand Marquis by considering your driving style, and the number of miles on your odometer.

Types of Motor Oil for Mercurys

Wondering what motor oil brands you can find at Firestone Complete Auto Care? We stock outstanding motor oils because that's what your engine deserves. Talk with a teammate and consult your owner's manual before picking a motor oil. At Firestone Complete Auto Care, you can choose from the following oils: Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, and Shell Rotella® heavy-duty engine oil. There are plenty of motor oils on the market today, so why do we prefer these brands? They are tested and trusted. For instance, Pennzoil Synthetics feature the capabilities to advance with vehicle technology to offer complete protection for not only the engines of today, but also the engines of tomorrow. Then there's Shell Rotella heavy-duty engine oil. It's expressly designed for gasoline and diesel engines that need to survive the toughest working conditions, and is uniquely strengthened to deliver improved oxidation resistance, heightened performance in extreme temperatures, and increased wear protection. For help picking the correct motor oil for your 1991 Mercury Grand Marquis, refer to Mercury's recommendations first.

Where Can I Get a Mercury Grand Marquis Oil Change

The next time your Mercury Grand Marquis needs an oil change, you know where to go! Your nearest Firestone Complete Auto Care has the ideal oil for your Grand Marquis’s engine. We'll take care of you quickly, with the right engine oil at a competitive price. To find out how much a 1991 Grand Marquis oil change costs, call ahead. Get professional engine care by making an oil change appointment for your Grand Marquis today. Many stores are open late and on weekends for your convenience.

[1] ILSAC GF-5 represents the latest performance standard set by the International Lubricant Standardization and Approval Committee (ILSAC), a joint effort of U.S. and Japanese automobile manufacturers. Most automobile manufacturers are expected to recommend oils that meet ILSAC GF-5. API SN is the most recent service category issued by API’s Lubricants Group. Oils meeting API SN and the new “Resource Conserving” designation meet all ILSAC GF-5 performance requirements.

Oil Change Q&A for Your 1991 Mercury Grand Marquis

What can low oil do to my Mercury Grand Marquis engine? Motor oil lubricates important engine parts. If you're low or out of oil, these components can grind against each other, generate excess heat, and cause your Grand Marquis’s engine to fail. That’s why you should check your oil and get it changed regularly.
How hard is it to change Mercury Grand Marquis oil at home? Changing engine oil at home isn’t as simple as it’s made out to be. You’ll have to buy special tools and figure out a way to recycle the old oil properly. Getting a professional oil change reduces the risk of something going wrong during the service, but also help your car perform down the road.
Why is my Mercury Grand Marquis exhaust smoke grayish or blue? Your engine could be burning oil due to a leak. It may be time for a pro to take a look. The leak could be the result of worn valve seals, blown piston rings, or old cylinder walls.
Where can I get Mercury Grand Marquis oil changes? Turn to Firestone Complete Auto Care for Mercury Grand Marquis oil changes. In addition to changing your oil, our experienced technicians also perform oil filter replacements, troubleshoot oil leaks, and suggest the correct oil to help keep your engine performing its best.
Why is the oil light on in my Mercury Grand Marquis? Your Mercury Grand Marquis oil change reminder light might illuminate if it’s been too long since your last oil change. On the other hand, the oil pressure light might illuminate due to a clogged oil filter, a faulty oil pressure sensor, low engine oil levels, or a malfunctioning oil pump.
Do I need to replace my Grand Marquis’s oil filter when changing my oil? It’s highly advised you replace the oil filter in your Mercury Grand Marquis every time you change the oil. After all, what’s the point of changing our oil if you’re just going to send fresh, clean engine oil through an already dirty filter?