Technician A says shift solenoids are used on some transmissions to control upshifts and downshifts.Technician B says governor pressure is used on some transmissions to control upshifts and downshifts. Who is correct?

Question

Quizplus · Accepted Answer

Both statements are correct. Shift solenoids are indeed used in many modern automatic transmissions to control the timing of gear shifts. On the other hand, older or some specific types of automatic transmissions use governor pressure to determine when to shift gears, based on vehicle speed and engine load.

Technician a Says Shift Solenoids Are Used on Some Transmissions