VACUUM PUMP(for 3ZR-FAE) ON-VEHICLE INSPECTION

PROCEDURE


  1. OPERATION CHECK


    1. Remove the No. 2 cylinder head cover.

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

    3. A00YVK1C01
      *a Vacuum Gauge

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

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

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

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

      Tech Tips


      • The vacuum pump assembly is listed as one of the 200000 km (124000 mile) maintenance parts. Make sure to disassemble and inspect it every 200000 km (124000 miles) and replace parts as necessary.

      • After disassembling and checking the vacuum pump, check the vacuum pump assembly function.

    6. Remove the vacuum gauge from the vacuum pump.

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

    8. Install the No. 2 cylinder head cover.