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 ...

For all of its complexity, the automatic transmission has been almost forgotten in the oil filtration department. For many of its 70-plus years, minimal filtration was considered "good enough." No ...

Ever wonder how your transmission knows to shift gears? Why is it that when you stop, the engine doesn't die? We're here to show you how cars work. We recently looked at manual transmissions. This ...

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 ...

It’s no secret that trucks are built to work hard, and it’s no surprise that parts eventually wear out. Case in point: our 4R70W automatic transmission. With 200,000 miles on the clock, the ...

How does a torque converter work? A description of a torque converter and how it works, as well as the components involved, and how it transfers torque from the engine to the transmission. A look at ...

The new GM 10-speed automatic transmission is now either standard or an option on GM’s full-size SUVs. In these applications, the new 10-speed is known as the Hydra-Matic 10L80 and is assigned GM RPO ...