Technician A says spool valves have lands and valleys that are used to block or allow the flow of transmission fluid. Technician B says an automatic transmission uses spool valves, solenoids, and check valves to direct fluid flow. Who is correct?
A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both Technician A and Technician B are correct. Spool valves have lands and valleys to control fluid flow, and automatic transmissions use spool valves, solenoids, and check valves to direct fluid flow.

Technician a Says Spool Valves Have Lands and Valleys That