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When Should I Change My Oil?
Changing oil in your car needs to happen at specific intervals. Oil change intervals vary, but it's best to change oil every 3,000 to 7,000 miles.
How Much Oil Does My Car Take?
Motor oil is vital to engine function. Usually 4-cylinder engines use five quarts of oil, 6-cylinder engines use six quarts, and V8 engines use eight.
Signs Your Car Needs an Oil Change
Oil changes keep your car engine running smoothly. Rough idling, slow acceleration, and engine noises mean you need to replace your car oil.
What Type of Oil Should I Use?
Changing oil in your car is among the most important car maintenance tasks. Your engine may use synthetic motor oil, conventional, or either oil type.
How the Engine Lubrication System Works
Car engines need oil to work properly. Motor oil lubricates engine parts and helps prevent overheating. Changing oil on time helps your engine last.
Why Are 5W-30 and 5W-20 Oils So Common?
Changing oil is one of the most important car care tasks. Most cars use 5W-20 or 5W-30 oil because those oils work best in hot or cold temperatures.
How to Prevent Motor Oil Sludge
Regular oil changing in your car helps prevent sludge. Motor oil sludge can cause worse gas mileage, low oil pressure, and damage to engine parts.
What Are the Risks of Switching to Synthetic Oil in Older Cars?
Older cars usually have to use conventional motor oil instead of synthetic motor oil. Switching to synthetic can cause engine leaks or engine damage.
What Is the Shelf Life of Motor Oil?
If you plan on storing your oil, it's good to know how long motor oil lasts. Store your motor oil in a cool, dark place to make your oil last longer.
Can You Switch Between Regular and Synthetic Motor Oil?
If you have ever wondered if you can switch between regular and synthetic motor oil, you need to consider what type of oil works best for your engine.
A Guide to Motor Oil Additives
Motor oil contains various additives to make it perform better. Conventional and synthetic oils both contain additives which help prevent engine wear.
Do Cars Need Oil Changes More or Less Often As They Age?
Car engines wear out as miles add up. Older engines and engines with high mileage have lower tolerances, making more frequent oil changes necessary.
Why Do Cars Have Different Oil Change Intervals?
Car oil change intervals depend on the make, model, and year of the car. The correct type of oil and how the vehicle is used makes a difference too.
Can I Use Synthetic Motor Oil in My Brand New Car?
Changing oil on time will help protect your engine from damage. Synthetic motor oil will likely work, and may actually be required, in your new car.
Why Does Motor Oil Viscosity Matter?
Motor oil viscosity determines how thick or thin the oil is. Multiviscosity oils make it unnecessary to change your oil for different seasons.
How to Check Your Oil
Changing engine oil is an important part of basic car care. Check motor oil on the dipstick to know if you need to add oil to your engine.
How Does Oil Lubricate an Engine?
Oil is an essential fluid in your car engine. Motor oil lubricates engine parts and prevents car overheating. Changing oil helps extend engine life.
How Much it Costs When You Ignore Basic Car Care
Car maintenance like oil changes, brake service, and tire care save money when done on time. Ignoring oil changes can cost you thousands of dollars.

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