What can low oil do to my GMC S15 engine?

Motor oil lubricates important engine parts. If you're low or out of oil, these parts can grind together, generate too much heat, and cause your S15’s engine to fail. That’s why it’s best to check your oil levels and get your oil changed regularly.

How hard is it to change GMC S15 oil at home?

Changing engine oil at home isn’t as simple as it’s made out to be. It requires special tools and old oil must be disposed of properly. 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 GMC S15 spewing blue or gray exhaust smoke?

Your engine could be burning oil due to a leak. Looks like it’s time for a professional to take a look. The leak could be the result of worn valve seals, fried piston rings, or old cylinder walls.

Who does GMC S15 oil changes?

Turn to Firestone Complete Auto Care for GMC S15 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 my GMC S15 oil light illuminated?

Your GMC S15 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 change my S15's oil filter when I get an oil change?

It’s highly advised you replace the oil filter in your GMC S15 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?

Oil Changes for 1985 GMC S15

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Help your 1985 S15 engine last longer with regular oil changes and lube service. Schedule an appointment now!

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How Often to Get 1985 GMC S15 Oil Changes

Need more info about 1985 GMC S15 oil changes? Turn to Firestone Complete Auto Care! Our expertise goes beyond tires. Oil and lube services are also our specialties. 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.

GMC recommends changing your 1985 S15’s oil at regular intervals. Check the interval for your vehicle mileage in the table above. Outside of GMC-recommended oil change intervals, your S15 may need an oil change if your check engine light is on, you hear knocking sounds coming from the engine, smell oil inside the car, or notice an unusual amount of exhaust. You might need an oil change more frequently than what’s recommended by GMC if you regularly haul heavy loads, frequent dusty roads, enjoy off-roading, or go at low speeds on long distance trips. Generally, getting more frequent oil changes won’t hurt your GMC S15. In fact, every oil change is an opportunity to diagnose and treat any other issues, such as bad brakes or a failing battery.

What Kind of Oil Should I Get for My GMC S15?

Whether you need high mileage oil, synthetic oil, or conventional oil, you'll find the right 1985 GMC S15 motor oil at Firestone Complete Auto Care. GMC has specifically identified either synthetic or conventional as the best oil for 1985 GMC S15 vehicles. Motor oil reduces friction between engine components, keep the engine cool, and prevent the build-up of harmful substances within the engine. In an oil change service, an auto technician will change your S15’s oil, replace and recycle the old oil and filter, inspect all of your other filters, top-off important fluids, and perform a free inspection on the rest of your vehicle. You can drive easy knowing that we strive to do what's best for your vehicle and take into account your driving preferences, weather and road conditions,

Types of Motor Oil for GMCs

What motor oils are available at Firestone Complete Auto Care? We carry the best because your S15 deserves the best. Check your owner's manual and talk with a technician to select the right GMC S15 oil, whether it's Pennzoil® High Mileage Vehicle® motor oil, Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology, or Shell Rotella® heavy-duty engine oil. With so many motor oil brands in the market, why do we carry these brands? They are proven winners. For example, 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. But don't forget about Shell Rotella for heavy-duty engines. 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. Always refer to GMC's recommendations before going with a new or different motor oil for your 1985 GMC S15.

Where to Go for 1985 GMC S15 Oil Change

When it's time for a 1985 GMC S15 oil change, you’ll know where to get it. Your local Firestone Complete Auto Care has some of the best motor oil for GMC S15s. We’ll take care of you and your car at your convenience, with the right oil at the right price. Find out how much your GMC S15 oil change will cost by calling ahead. Make an appointment for an oil change service today and let the oil experts take care of your S15's engine. 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.

1985 GMC S15 Oil Change Questions

What can low oil do to my GMC S15 engine? Motor oil lubricates important engine parts. If you're low or out of oil, these parts can grind together, generate too much heat, and cause your S15’s engine to fail. That’s why it’s best to check your oil levels and get your oil changed regularly.
How hard is it to change GMC S15 oil at home? Changing engine oil at home isn’t as simple as it’s made out to be. It requires special tools and old oil must be disposed of properly. 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 GMC S15 spewing blue or gray exhaust smoke? Your engine could be burning oil due to a leak. Looks like it’s time for a professional to take a look. The leak could be the result of worn valve seals, fried piston rings, or old cylinder walls.
Who does GMC S15 oil changes? Turn to Firestone Complete Auto Care for GMC S15 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 my GMC S15 oil light illuminated? Your GMC S15 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 change my S15's oil filter when I get an oil change? It’s highly advised you replace the oil filter in your GMC S15 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?