Motor oil runs throughout your engine, lubricating and preventing damage to critical parts to ensure it operates smoothly. Other fluids have their own purposes, such as lubricating the transmission, ...

Is there anything worse than your car leaving a puddle on your driveway? OK, maybe if you leave a puddle on a friend’s driveway instead — but still, a mystery leak is stressful as you try to figure ...

Oil leaks are common with older vehicles, but diagnosing and fixing them isn’t always a straightforward process, leading many to question if they are covered under their vehicle’s warranty. We’ll ...

DEAR CAR TALK: I recently learned that my mechanic has been filling my 2008 Chevy Impala with 5 quarts of oil instead of the recommended 4. I've also noticed an oil leak, which my mechanic attributes ...

Seeing any type of fluid leaking underneath your vehicle can make you worry. However, if you see what looks like water dripping from underneath your car during warm weather when your air conditioner ...

That “Harmless Puddle” Could Cost You You’ve probably seen a puddle under your car on a hot day and shrugged it off as ...

Owning an SUV could be considered a privilege. Not many people from the U.S. and around the world can afford one, and running such a big and heavy vehicle on a daily basis could cost a lot. However, ...

Lou Trottier says the problem likely involves low-friction piston rings, which increase fuel efficiency but can also be problematic in older vehicles ...

I drive a 2002 Infiniti I35 with about 132,000 miles on it. Three months ago while replacing the passenger-side air bag, the Infiniti dealer service department told me the valve covers were leaking ...

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 ...

To understand how overfilling your engine oil is too much of a good thing, it’s helpful to provide a little background. Engines are comprised of hundreds of precision-crafted parts working in unison ...