Jeep has never been shy about trying oddball engineering solutions in the name of off-road capability, but one of its ...

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 ...

A number of GM Authority readers recently reached out with an identical question regarding this widely used nine-speed automatic transmission: when does it actually shift into ninth gear? These ...

Automatic transmissions are the transmissions of choice in today's diesel realm. They've come a long way over the last decade, and are now beefier and more complex than ever before. This is an effort ...