Many automatic transmissions are sealed or can be checked only by a mechanic. Always refer to your car’s owner’s manual for the proper service intervals.

One factor contributing to the difficulty involved in automatic transmission repair is the massive amount of individual pieces that comprise an automatic transmission's anatomy. There are ...

A manual transmission is one with a stick for shifting gears and a third pedal for operating a clutch. Many automatic transmissions now enable manual shifting, and one style is even known as an ...

In our tests, we've found that in some cars a manual transmission can improve gas mileage by a significant 2 to 5 mpg, compared with an automatic, and can cut a car's price by $800 to $1,200.