Automatic transmissions are highly complex automotive components. They're significantly more complicated and challenging to work on than manual transmissions, which means expensive repairs and ...

The Aisin AW4 is a four-speed automatic transmission used in some Jeeps and as the A340 in various Toyotas. It is electronically controlled in the forward gears and has been used in numerous ...

The automatic transmission is an amazing yet terribly complex engineering feat. It works by using clutch packs, torque converters, gear sets, solenoids, gaskets, valve bodies, hydraulic parts, and ...

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 ...

Automatic transmissions are mysterious things, aren't they? They somehow take mechanical power from the engine, multiply it via a fluid coupling and a series of gears, and transfer it onto the drive ...

There’s no bones about it: slipping transmissions cost big money, whether you’re a humble owner or a giant car company. Perhaps the best recent example is the PowerShift transmission, which in recent ...

In the past few issues of Car Craft, we've been transforming our project Cheap Street Chevelle from junker to jewel. It started out as a non-running heap, but since then we have upgraded various ...

Your car might start without complaint every morning and sail through its last inspection, but […] ...

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.