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Home >> Saab >> 2003 >> 9-3 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (TC/Abs System Version 5.3 - Repair) >> Technical Description Control >> TCS modulation with braking >> Braking phases >> Phase 4 Release

Phase 4 Release

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Braking function selected. Pressure increase valve closes, pressure relief valve opens, both valves return to rest position, return pump stops.

Fig 1: Braking Phases - Pressure Flow Diagram
G03505668Courtesy of SAAB-SCANIA OF AMERICA, INC.