ASR Charging Pump

Charging Pump:

The ASR charging pump (M15) is at the brake booster under the tandem master cylinder. The pump is a gear-type. The ASR charging pump can produce a maximum pressure of 8 - 12 bar (116 - 174 psi). Line BA connects it with the ABS/ASR hydraulic unit, and the ABS/ASR control unit operates it directly.