Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Have you ever looked at a diagram of an automatic transmission? If ...

Because we use them every day, the operation of a car seems simple, but a car is a very complex machine. One of the most complex systems in the typical vehicle is the automatic transmission. This ...

Automatic shift transmissions were first introduced on a broad scale in the late 1930s, and while they were a novelty for many years, today they are very near a standard piece of equipment on most ...

A transmission is a vehicle’s gearbox. It’s roughly analogous to the gear shifter and chain system employed in bicycles. Transmission components are always mounted straight on the engine so that their ...

Throughout the 1900s, cars with manual transmissions slowly gave way to those with the ability to shift between gears automatically. Early automatic transmissions with names like Hydra-Matic, Dynaflow ...

Q: What do the numbers and letters mean on an automatic transmission: 1, 2, D, L, S, etc? A: That’s what’s known in the automotive world as the “prindle,” the pronunciation that engineers bestowed on ...

Confirmed to premiere in January at the 2019 Detroit Motor Show, the next generation of the Supra leaves little to the imagination of enthusiasts. Anticipated for what seems to be eons ago, the ...

A number of GM Authority readers recently reached out with an identical question regarding this widely used nine-speed automatic transmission: when does it actually shift into ninth gear? These ...

The automatic transmission as Americans know it today has been around and undergoing continual improvement since 1939. And while the concept of the continuously variable transmission (CVT) was ...

If you've ever paid attention to the number of gears in your transmission, you might've noticed that those numbers have gone up over the years. Early automatic transmissions like the GM Hydra-Matic ...

There are many different types of automatic transmissions, including CVTs, automated manuals, and torque converter automatics, but, for the most part, they all look relatively the same to the driver ...