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

Engine oil is a lubricant for the moving parts in your engine. If you're low or out of oil, these parts can grind together, generate too much heat, and eventually lead to Mercury Grand Marquis engine failure. That’s why you should check your oil and get it changed regularly.

Can I change my Mercury oil on my own?

First off, changing your own oil isn’t as easy as you’d think. You’ll have to figure out how to properly dispose of the oil and buy special tools. Having your oil professionally changed reduces the chances of something going wrong with the oil change, but it’ll also help your car perform smoothly down the road.

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

Your engine could be burning oil due to a leak. Time to have a qualified technician check things out. The leak could be the result of worn valve seals, damaged piston rings, or worn cylinder walls.

Where can I get Mercury Grand Marquis oil changes?

You can count on Firestone Complete Auto Care for your Mercury Grand Marquis oil change, oil filter replacement, oil leak diagnostics, and more! Our expert technicians will even advise the right oil for your vehicle.

Why is my Mercury Grand Marquis oil light illuminated?

The oil change light in your Mercury Grand Marquis could be triggered by an overdue oil change. However, if the oil pressure light is on, you may be dealing with low engine oil, a failing oil pump, a clogged oil filter, or a malfunctioning oil pressure sensor.

Do I need to change my Grand Marquis's oil filter when I get an oil change?

You should replace your Mercury Grand Marquis during each oil change. The filter captures debris and contaminants to help keep your oil clean, which means the filter gets dirty. If you skip replacing the filter, you’ll contaminate your new oil with the dirty filter.

1990 Mercury Grand Marquis Oil Change

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Get Your Mercury Grand Marquis Oil Changed

Help your 1990 Grand Marquis engine last longer with regular oil changes and lube service. Schedule an appointment now!

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How Often to Change 1990 Mercury Grand Marquis Oil

Looking for oil change recommendations for your 1990 Mercury Grand Marquis? Look no further than Firestone Complete Auto Care! We're experts in more than tires. We know the ins and outs of motor oil, too. After all, like our maintenance technician Brianna says, “Oil is the blood of the engine. It’s the #1 thing you can do for your car.”

Mercury recommends having your 1990 Mercury Grand Marquis’s motor oil changed at regular intervals. Check the interval for your vehicle mileage in the table above. Outside of Mercury-recommended oil change intervals, your Grand Marquis may need an oil change if your check engine light is on, you hear knock knock knock coming from the engine, smell oil inside the car, or notice excess vehicle exhaust. You may also need an oil change more frequently than Mercury recommends if you haul heavy loads, drive in dusty areas, enjoy off-roading, or go at low speeds on long distance trips. In general, being extra-diligent about oil changes won’t damage your Mercury Grand Marquis. In fact, every oil change is an opportunity to diagnose and treat any other issues, such as bad brakes or a failing battery.

What Type of Oil Does My Mercury Grand Marquis Need?

Whether you need high mileage oil, synthetic oil, or conventional oil, you'll find the right 1990 Mercury Grand Marquis motor oil at Firestone Complete Auto Care. Mercury has recommendations as to whether conventional or synthetic oil is the ideal engine oil for your 1990 Grand Marquis. Motor oil reduces friction between engine components, keep the engine cool, and prevent the build-up of harmful substances within the engine. During your oil change service, a technician will change your Grand Marquis's oil, replace and recycle your used oil and oil filter, inspect the rest of your car’s filters, refill vital car fluids, and perform a courtesy inspection on your entire vehicle. You can drive with confidence knowing that we look out for you and your Grand Marquis by taking into account your driving preferences, weather and road conditions,

Types of Motor Oil for Mercurys

What motor oils are available at Firestone Complete Auto Care? Your Grand Marquis engine deserves the very best, which is why we only stock the best! 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. With so many motor oil brands in the market, why do we carry these brands? They are champions. For instance, Pennzoil Synthetics are the most technologically advanced, fully formulated motor oils available and exceed current industry and manufacturer requirements. Then there's Shell Rotella heavy-duty engine oil. It's specifically designed for diesel and gasoline engines that need to withstand rugged conditions, and is fortified to deliver heightened performance in extreme temperatures, increased wear protection, and better oxidation resistance. For help picking the correct motor oil for your 1990 Mercury Grand Marquis, refer to Mercury's recommendations first.

Where to Go for 1990 Mercury Grand Marquis Oil Change

When the time for your Grand Marquis’s next oil change rolls around, you know where to turn. Your local Firestone Complete Auto Care carries some of the most reliable engine oils for Mercury vehicles. We'll take care of you quickly, with the right oil at the right price. Find out how much your Mercury Grand Marquis oil change will cost by calling ahead. Get professional engine care by making an oil change appointment for your Grand Marquis today. Many stores offer extended and weekend openings 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.

1990 Mercury Grand Marquis Oil Change Questions

What can low oil do to my Mercury Grand Marquis engine? Engine oil is a lubricant for the moving parts in your engine. If you're low or out of oil, these parts can grind together, generate too much heat, and eventually lead to Mercury Grand Marquis engine failure. That’s why you should check your oil and get it changed regularly.
Can I change my Mercury oil on my own? First off, changing your own oil isn’t as easy as you’d think. You’ll have to figure out how to properly dispose of the oil and buy special tools. Having your oil professionally changed reduces the chances of something going wrong with the oil change, but it’ll also help your car perform smoothly down the road.
Why is my Mercury Grand Marquis exhaust smoke grayish or blue? Your engine could be burning oil due to a leak. Time to have a qualified technician check things out. The leak could be the result of worn valve seals, damaged piston rings, or worn cylinder walls.
Where can I get Mercury Grand Marquis oil changes? You can count on Firestone Complete Auto Care for your Mercury Grand Marquis oil change, oil filter replacement, oil leak diagnostics, and more! Our expert technicians will even advise the right oil for your vehicle.
Why is my Mercury Grand Marquis oil light illuminated? The oil change light in your Mercury Grand Marquis could be triggered by an overdue oil change. However, if the oil pressure light is on, you may be dealing with low engine oil, a failing oil pump, a clogged oil filter, or a malfunctioning oil pressure sensor.
Do I need to change my Grand Marquis's oil filter when I get an oil change? You should replace your Mercury Grand Marquis during each oil change. The filter captures debris and contaminants to help keep your oil clean, which means the filter gets dirty. If you skip replacing the filter, you’ll contaminate your new oil with the dirty filter.