FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Hydraulic Assembly





Modulator Unit
The modulator unit consists of the following sub-units. It adjusts the hydraulic pressure applied to each caliper on the basis of the signals received from the ABS control unit.

- ABS pump and motor: Supplies high-pressure brake fluid to control the ABS operation.

- Accumulator: Stores the high-pressure brake fluid.

- Pressure switch: Detects the pressure in the accumulator and transmits signals to the ABS control unit.

- Solenoid valves: Switches the ABS high-pressure passage according to the signals from the ABS control unit.

- Pistons and related parts: Receives the high-pressure brake fluid, and controls pressure to the calipers accordingly.