When replacing a master cylinder, it is determined that the brake pedal free play needs to be adjusted. Technician A says that the free play should be measured at the bottom of the pedal stroke. Technician B says that the rear brake shoe-to-drum clearance should be adjusted first. Who is right?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
A. A only
B. B only
C. Both A and B
D. Neither A nor B