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Home >> Saab >> 2004 >> 9-3 Linear, Automatic >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> TC / Esp >> Technical Description >> TCS/ESP, detailed description >> ABS function >> PHASE 3 Pressure decrease

PHASE 3 Pressure decrease

The outlet valve opens and at the same time opens the passage from the caliper to the hydraulic accumulator which quickly receives the pressure from the caliper. At the instant the outlet valve opens, the control module starts the pump, which pumps the fluid back to the master cylinder. The wheel rotation speed will now increase.

When the outlet valve closes, the pump stops running and the inlet valve opens. This results in a reduction of wheel rotation speed.

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