Sludge in Engine Oil: Symptoms, Causes, and Next Steps
Got crud in your oil? Learn about sludge in engine oil — from what it is and what causes it, to symptoms to watch for and how to prevent it — we cover it all.
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Regular oil changes help protect your engine, maintain performance, and extend the life of your engine. If you notice any of the signs below—or it’s been a while since your last service—it may be time for an oil change.
Follow the oil change interval recommended by your vehicle manufacturer to help keep your engine protected. If you frequently drive in heavy traffic, extreme temperatures, or take short trips, you may need more frequent oil changes.
Get the right oil for your vehicle with expert oil change services from Firestone Complete Auto Care. Whether you drive a newer vehicle, a high-mileage car, or a diesel engine, we offer options designed to help protect performance and extend engine life. Our oil change parts and services are also covered by a service warranty.
We use trusted motor oils that meet your vehicle’s exact specifications to help protect performance and extend engine life. Our technicians select the right oil type and viscosity for your vehicle, so you get the protection and reliability your engine needs every time you visit.
Pennzoil Platinum® is made with natural gas and designed for complete protection for top engine performance offers cleaner pistons, protected horsepower, better fuel economy, and excellent performance in extreme temperatures.
Pennzoil Platinum® High Mileage is formulated to reduce oil burn off and help stop leaks in engines with more than 75,000 miles.
Pennzoil® Gold motor oil utilizes the advances of blended synthetic technology to better prevent dirt and contaminants from turning into performance robbing deposits. It is specially formulated to provide extra protection for severe driving conditions1.
Pennzoil® Gold motor oil is designed to better prevent dirt and contaminants from turning into performance robbing deposits. It is specially formulated to provide extra protection for severe driving conditions1.
1 Examples of severe driving conditions include stop-and-go driving, frequent short trips, extreme hot or cold temperatures, extensive idling, driving with heavy loads and driving in dusty conditions.
Pennzoil® High Mileage motor oil is designed for engines with over 75,000 miles. It is specially formulated to help stop leaks from seals and reduced oil consumption in worn engines.
Pennzoil® motor oil helps prevent dirt and contaminants from turning into performance robbing deposits. Because at Pennzoil, we know a cleaner engine is better protected and responsive
Most vehicles need an oil change every 5,000 to 7,500 miles, but the right interval depends on your vehicle, oil type, mileage, and driving habits. Always follow the interval listed in your owner’s manual or on your dashboard’s oil life indicator, and consider more frequent service if you drive in stop-and-go traffic, extreme temperatures, dusty conditions, or tow heavy loads.
Firestone Complete Auto Care offers conventional, synthetic blend/full synthetic, high-mileage, and diesel oil change services. The best option depends on your vehicle’s manufacturer recommendation, engine type, mileage, and driving conditions.
Conventional: Suitable for many vehicles.
Synthetic blend/Full synthetic: Recommended for most vehicles to optimize the oil’s contribution.
High-mileage: Formulated for engines with more than 75,000 miles.
Diesel: Made for diesel engines with heavy-duty demands.
Oil change prices can vary depending on location. To get an accurate price, find a local Firestone Complete Auto Care store and give them a call for a quote. Check our oil change coupons for current relevant offers.
The right oil type and viscosity are determined by your vehicle manufacturer and are usually listed in the owner’s manual or on the oil cap. A Firestone technician can also help identify the correct oil based on your vehicle and mileage. Firestone Complete Auto Care carries oil options designed for conventional protection, high-mileage engines, synthetic protection, and severe driving conditions.
Yes, as long as each oil meets the viscosity and performance specification recommended by the manufacturer.
After you make an oil change appointment and drop off your vehicle at Firestone Complete Auto Care, a technician will replace the old oil with the correct oil type and install a new oil filter. Your technician will also conduct a free courtesy check, including a tire inspection, fluid level check, and belt and light inspection.
Save on your next oil change at Firestone Complete Auto Care. Explore current offers to help protect your engine and keep your vehicle running at its best.
Find your nearest Firestone Complete Auto Care to schedule an oil change.
Keep your vehicle running smoothly and help prevent future issues with routine maintenance services from Firestone Complete Auto Care.
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