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Home >> Chevrolet >> 2011 >> Suburban K2500 >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System - Greater Than Or Equal To 3900 Kg (8600 Lb) GVW >> Description and Operation >> ABS Description and Operation >> Pressure Hold

Pressure Hold

The EBCM closes the inlet valve and keeps the outlet valve closed in order to isolate the system when wheel slip occurs. This holds the pressure steady on the brake so that the hydraulic pressure does not increase or decrease.