Technician A says automatic transmissions can shift gears without requiring an interruption of powerflow. Technician B says automatic transmissions use synchronizers instead of planetary gearsets. Which technician is correct?

Question

Quizplus · Accepted Answer

Technician A is correct because automatic transmissions are designed to shift gears smoothly without interrupting power flow to the drive wheels, which is a key feature distinguishing them from manual transmissions. Technician B is incorrect because automatic transmissions primarily use planetary gearsets for gear changes, not synchronizers, which are found in manual transmissions.

Technician a Says Automatic Transmissions Can Shift Gears Without Requiring