VACUUM PUMP(for 1ZR-FAE) ON-VEHICLE INSPECTION

CAUTION / NOTICE / HINT

Tip:

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

PROCEDURE

  1. OPERATION CHECK

    1. Remove the No. 2 cylinder head cover.

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

    3. C167173C02

      *a

      Vacuum Gauge

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

    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 assembly.

      Standard Pressure

      Higher than 86.7 kPa (650 mmHg, 25.6 in.Hg)

    6. Remove the vacuum gauge from the vacuum pump assembly.

    7. Connect the union to connector tube hose to the vacuum pump assembly and slide the clip to secure it.

    8. Install the No. 2 cylinder head cover.

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