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Home >> GMC >> 2003 >> Envoy RWD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Description & Operation >> Hydraulic Brake System Description >> Pressure Balance Control System

Pressure Balance Control System

Regulates brake fluid pressure delivered to hydraulic brake wheel circuits, in order to control the distribution of braking force. Pressure balance control is achieved through Dynamic Rear Proportioning (DRP), which is a function of the ABS modulator. See appropriate ANTI-LOCK article for specific information on the operation of DRP.