Technician A says the pressure differential valve will limit the fluid pressure
to the rear brakes during initial brake apply to
prevent the wheel lock-up.
Technician B says the pressure differential
valve reacts to unequal
pressure in the primary and secondary brake
hydraulic circuits.
Who is
correct?
A) Technician A
B) Technician B
C) Both Technician A and B
D) Neither Technician A or B