Automatic transmissions have evolved so dramatically over the past decades that today the same term covers fundamentally different mechanisms. A classical hydromechanical automatic transmission, a ...

Automatic transmission fluids (ATF) rank among the most complex fluids used in vehicles. They perform many functions including lubrication, heat dissipation, wear protection, shift quality and more, ...

Transmission fluid is the lifeblood of a vehicle's hardest-working parts. Selecting the correct oil prevents premature wear, ...

Most drivers figure it's easy enough to change your transmission fluid, dropping the pan, draining the fluid, and refilling it at home. However, Honda's automatic transmission service has always been ...

Everybody makes a big deal about regular engine oil changes, and with good reason. Just like any other part of a vehicle, oil wears down during constant use and needs to be replaced to ensure your ...

The C4 three-speed automatic is the most common transmission used in vintage Mustangs. Known as the Cruise-O-Matic from '64-1/2-'66 and Select-Shift from '67-'82, this simple hydraulic slush box, of ...

We use a 1999 Jeep Cherokee XJ to highlight some tips for doing a fluid and filter service on your Jeep’s automatic transmission. For us, there really isn't a maintenance job we like doing less than ...