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RADIATOR ON-VEHICLE INSPECTION

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PROCEDURE


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    INSPECT RESERVE TANK CAP


    1. A01FOJMC03
      *a O-ring
      *b Rubber Packing

      Measure the valve opening pressure.


      1. If there are water stains or foreign matter on the O-ring, clean it with water and finger scouring.

      2. Check that the O-ring is not deformed, cracked or swollen.

      3. Apply engine coolant to the O-ring and rubber packing before using a radiator cap tester.

      4. A01FKMZC05
        *1 Reserve Tank Cap
        *a Radiator Cap Tester
        *b 30° or more

        When using the radiator cap tester, tilt it upwards 30° or more.

      5. Pump the radiator cap tester several times, and check the maximum pressure.*1

        Pump Speed
        1 pump per second
        Tip:

        *1: Even if the reserve tank cap cannot maintain the maximum pressure, it is not a defect.

        Result
        Item Specified Condition

        Standard pressure

        (for brand-new cap)

        93 to 123 kPa (0.9 to 1.3 kgf/cm2, 13.5 to 18.0 psi)

        Minimum pressure

        (for used cap)

        79 kPa (0.8 kgf/cm2, 11.5 psi)

        If the maximum pressure is less than the specified pressure for the minimum pressure, replace the reserve tank cap.