Since modern automatic transmissions are generally seamless, any noticeable symptoms are important warnings that should prompt an immediate diagnosis.

Have you noticed high engine revs, unusual noises, or that your vehicle hesitates when shifting gears? If so, you may be dealing with a slipping transmission. When you hear someone describe a ...

A vehicle's transmission is pretty robust, and when properly maintained, it can last more than 300,000 miles — which is longer than the car or truck itself will last in many cases. However, despite ...

A used car can look flawless in a dealer’s lot lighting and still carry thousands […] ...

Nine-speed gearboxes may be commonplace now, but the world's first example didn't have such an easy birth when it was launched. And it wasn't that long ago.

The unit is named 9HP by ZF, and this recall action targets a potential malfunction that could occur in some vehicles. According to the documents filed by ZF, the gearbox might unexpectedly shift into ...

Your car's transmission is one of its most important components, which means you'll want to take good care of it. Like most of your vehicle’s mechanical systems, a transmission requires quality, ...

Some drivers notice something odd after servicing an automatic transmission. The car may shift more abruptly, hesitate, or feel less smooth right after the fluid change, even if the transmission ...

CARS.COM — Why does your automatic transmission act funny? The most common causes include leaking seals, mechanical damage, worn-out transmission fluid or inadequate transmission fluid level, but we ...

Aaron, a 27-year automotive technician and lifelong car enthusiast, attended Specs Howard School of Media Arts and learned the fundamentals of digital video and editing, shot composition and writing.