Add Yahoo as a preferred source to see more of our stories on Google. Walk into most quick-lube shops and you'll walk out with a sticker telling you to return in three months or 3,000 miles. It's ...

The 3,000-mile oil change interval originated in the 1960s for engines and oils that no longer exist in modern vehicles. Full-synthetic motor oil can allow intervals of 7,500 to 15,000 miles depending ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

I have been in the auto repair industry since 1972 … hummmm, a simple calculation of the math illustrates that I have been in car repair for, uh, well, let’s not go there. It makes me depressed. You ...

When I bought my 2011 Toyota Camry, the dealer told me that the synthetic oil didn’t need to be changed so often, say only about every 10,000 miles or so. Since I had free service at the dealer ...

Historically, owner-operators have been religious about changing oil in their trucks at low-mileage intervals. At the same time, advancements in engine and oil technologies have allowed engine ...