Maintaining engine lubricating oil is a very important element in stretching the productive life of engines. “First and foremost, engine oil provides lubrication which keeps moving parts apart; ...

The synthetic oil in your car's engine has an incredibly challenging job. In an instant, the cold oil resting in your engine's sump needs to surge its way to the valve gear and then back to the sump ...

For many years, car owners have known to follow the traditional 3,000-mile rule for oil changes. But, with modern advancements in engine technology and the popularization of synthetic oil, ...

Is there any nugget of shade tree mechanic wisdom more cherished than the 3,000-mile oil change interval? Passed down ...

Synthetic motor oil lasts longer and protects engines better than conventional oil, and here's the science behind whether to use synthetic oil in an older car.

Aside from diesel fuel, engine oil might be the most critical fluid in a truck because it influences two of the top three equipment-related costs for fleets: fuel and maintenance. And with various ...

Changing fluids in a pickup truck has been necessary since the first one rolled off the assembly line more than 100 years ago. Vehicles — and what goes into them — are constantly changing and ...

There is good news and bad news when it comes to the 15,000 mile oil change — a standard five times longer than those often recommended by the quick-lube merchants. The good news: Yes, it is possible ...

After a Chevy Silverado 6.2L engine recall, the dealer unexpectedly cut the oil change interval from 5K to 3K miles. Is this new Silverado maintenance schedule a hidden cost or a necessary evil ...

You've heard it before. Oil is the lifeblood of your engine. The purpose of motor oil is to lubricate and protect your engine from heat and friction; the two major enemies of your engine. Without oil, ...

With so many available motor oil brands and several labels like "synthetic blend," "full synthetic," or "conventional," the process of choosing one for your car has now become somewhat tedious. It ...

While changing your oil every 3,000 miles was standard practice many years ago, modern lubricants and advances in engine materials and tolerances have largely made that frequency unnecessary. So, is ...