Hydraulic Modulator: Notes

Hydraulic modulator controls hydraulic pressure to front calipers and rear wheel cylinders by modulating hydraulic pressure to reduce the tendency of wheel lock-up. The basic hydraulic modulator configuration consists of gear subassemblies, ball screws, nuts, pistons, and hydraulic check valves. The motor pack consists of 3 motors, 3 drive gears and 3 ESBs.