Technician A says as engine load increases, the line pressure in a transmission must increase for greater holding force in clutches and bands. Technician B says some transmissions can achieve 200 pounds per square inch (psi) of line pressure during wide open throttle (WOT). Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both technicians are correct. As engine load increases, the line pressure must increase to provide sufficient holding force in the transmission's clutches and bands. Additionally, some transmissions can indeed reach 200 psi of line pressure during wide open throttle conditions.

Technician a Says as Engine Load Increases, the Line Pressure