VACUUM PUMP ON-VEHICLE INSPECTION


  1. OPERATION CHECK


    1. Slide the clip and disconnect the union to connector tube hose from the vacuum pump.

    2. A005S7T

      Connect the hose of a vacuum gauge to the vacuum pump.

    3. Start the engine and warm it up for more than 2 minutes.

    4. With the engine idling, measure the negative pressure of the vacuum pump.

      Standard pressure
      Higher than 87 kPa (650 mmHg, 25.6 in.Hg)

      Tech Tips

      It is necessary to replace the vacuum pump assembly every 200000 km (124000 miles).

    5. Remove the vacuum gauge from the vacuum pump.

    6. Connect the union to connector tube hose to the vacuum pump with the clip.