Checking The Pump Capacity

Fig 1: Vacuum Gauge Installed (9995230,9997108)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the quick-release connector on the vacuum pump. Install: 9997108 with the plugged end on the pump

Connect: 9995230 on: 9997108 .

Install the connector for the pump. Read off the value on: 9995230 .

The value must be between 80-90 kPa  negative pressure. If not replace the pump. See: VACUUM PUMP, BRAKE BOOSTER, REPLACING .