Hydraulic Assembly: Description and Operation

The ABS Brake Modulator/Motor Pack Assembly controls hydraulic pressure to the following areas:
- The front calipers
- The rear wheel cylinders

The ABS Brake Modulator/Motor Pack Assembly controls hydraulic pressure by modulating the hydraulic pressure. This action prevents wheel slip.

The basic ABS brake modulator configuration consists of the following components:
- The gear subassemblies
- The ball screws
- The nuts
- The pistons
- The hydraulic check valves

The ABS brake motor pack consists of the following components:
- Three motors
- Three drive gears
- Three ESBs