John Paul, AAA Northeast's Car Doctor, answers a question from a reader who was told they never had to change their vehicle’s ...

Automatic transmissions are a wonder of planetary gears, torque converters, and fluid. Here's how it all works to get you the speed you need when you need it.

This could be the result of a worn or poorly adjusted transmission, a worn torque converter or even something simple like a low transmission-fluid level. So that’s job one: Check the level of fluid on ...

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