Why check the motor oil level in my Jeep Wrangler?

Motor oil lubricates important engine parts. If your oil reservoir is low or empty, engine parts can grind together, overheat, and cause your Jeep Wrangler engine to fail. That’s why you’re better off checking your oil levels and investing in routine lube services.

Can I change my Jeep Wrangler oil at home?

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. 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 Jeep Wrangler spewing blue or gray exhaust smoke?

You could have an oil leak and have a case of burning oil. Looks like it’s time for a professional to take a look. The leak could be the result of worn valve seals, damaged piston rings, or worn cylinder walls.

Where can I get Jeep Wrangler oil changes?

Turn to Firestone Complete Auto Care for Jeep Wrangler 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.

What does it mean if my Jeep Wrangler oil light comes on?

Your Jeep Wrangler 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 Wrangler’s oil filter when changing my oil?

Every time you change the oil in your Jeep Wrangler, you should also replace the oil filter. Otherwise, you risk contaminating your brand-new oil with the dirt and debris built up in your old filter.

1991 Jeep Wrangler Oil Change

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Get an Oil Change for Your Jeep Wrangler

Give your Wrangler’s engine a little TLC with routine oil changes. Schedule your next appointment today.

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When to Change 1991 Jeep Wrangler Engine Oil

Not sure how or where to get your Jeep Wrangler’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.

Jeep recommends having your 1991 Jeep Wrangler’s motor oil changed at regular intervals. Check out mileage and month info for your Wrangler in the above table. Your Wrangler 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 car, or notice excess vehicle exhaust. You may also need an oil change more frequently than Jeep recommends if you haul heavy loads, drive in dusty terrain, go off-roading a lot, or drive at low speeds for long distances. In general, being extra-diligent about oil changes won’t damage your Jeep Wrangler. 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 Type of Oil Does My Jeep Wrangler Need?

Whether you need high mileage oil, synthetic oil, or conventional oil, you'll find the right 1991 Jeep Wrangler motor oil at Firestone Complete Auto Care. Jeep has recommendations as to whether conventional or synthetic oil is the ideal engine oil for your 1991 Wrangler. Motor oil helps lubricate the engine’s moving parts, maintain proper engine temperature, and prevent the build-up of harmful substances within the engine. During your oil change service, an auto technician will change your Wrangler’s oil, replace and recycle your used oil and filter, check all of your other filters, top-off important fluids, and visually inspect the rest of the vehicle. You can drive easy knowing that we strive to do what's best for your vehicle and take into account your driving habits, and the number of miles on your odometer.

Types of Motor Oil for Jeeps

What motor oils are available at Firestone Complete Auto Care? Your Wrangler engine deserves the very best, which is why we only stock the best! Consult Jeep's recommendations to select the right 1991 Wrangler oil and talk with a teammate to learn more about our oil options: 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 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 expressly designed for gasoline and diesel engines that need to overcome the strenuous working conditions, and is uniquely strengthened to deliver increased wear protection, heightened performance in extreme temperatures, and improved oxidation resistance. For help picking the correct motor oil for your 1991 Jeep Wrangler, refer to Jeep's recommendations first.

Where to Get an Oil Change for Jeep Wrangler

When it's time for a 1991 Jeep Wrangler oil change, you know where to turn. Your nearest Firestone Complete Auto Care has the ideal oil for your Wrangler’s engine. We’ll take care of you and your car at your convenience, with the right engine oil at a competitive price. Call ahead to find out how much oil changes cost for 1991 Jeep Wranglers. Make an appointment for an oil change service today and let the oil experts take care of your Wrangler's engine. For your convenience, many of our stores are open late and on weekends!

[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.

1991 Jeep Wrangler Oil Change Q&A

Why check the motor oil level in my Jeep Wrangler? Motor oil lubricates important engine parts. If your oil reservoir is low or empty, engine parts can grind together, overheat, and cause your Jeep Wrangler engine to fail. That’s why you’re better off checking your oil levels and investing in routine lube services.
Can I change my Jeep Wrangler oil at home? 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. 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 Jeep Wrangler spewing blue or gray exhaust smoke? You could have an oil leak and have a case of burning oil. Looks like it’s time for a professional to take a look. The leak could be the result of worn valve seals, damaged piston rings, or worn cylinder walls.
Where can I get Jeep Wrangler oil changes? Turn to Firestone Complete Auto Care for Jeep Wrangler 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.
What does it mean if my Jeep Wrangler oil light comes on? Your Jeep Wrangler 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 Wrangler’s oil filter when changing my oil? Every time you change the oil in your Jeep Wrangler, you should also replace the oil filter. Otherwise, you risk contaminating your brand-new oil with the dirt and debris built up in your old filter.