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

General Motors' 4L60-E automatic transmission is one of the most popular transmissions ever built. It was initially designed to replace and modernize GM's older Turbo 700R4 — also known as the ...

Every auto parts store in America has a wall of engine and transmission additives that, no matter what's actually in them, promises to fix or rebuild some component or system that needs actual, ...