COOLING SYSTEM GENERAL GENERAL

  1. OUTLINE

    1. The cooling system uses a pressurized forced circulation system.

    2. The engine water pump assembly is installed to the cylinder block sub-assembly.

    3. A thermostat is located on the engine water housing cover to maintain suitable temperature distribution in the cooling system.

    4. The engine coolant used is TOYOTA Genuine Premium Long Life Coolant 2WZ-TV.

      W110686C01

      *1

      Reserve Tank

      *2

      Engine Water Pump Assembly

      *3

      Thermostat

      *4

      Radiator Assembly

      *5

      Heater Radiator Unit Sub-assembly

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      -

  2. SPECIFICATION

    1. Engine Coolant

      1. TOYOTA Genuine Premium Long Life Coolant 2WZ-TV is used. The maintenance interval is as shown in the table below.

      2. TOYOTA Genuine Premium Long Life Coolant 2WZ-TV is pre-mixed (50% coolant and 50% deionized water), so no dilution is needed when adding or replacing TOYOTA Genuine Premium Long Life Coolant 2WZ-TV.

        Type

        TOYOTA Genuine Premium Long Life Coolant 2WZ-TV or equivalent*

        Maintenance Intervals

        First Time

        160000 km (100000 miles)

        Subsequent

        Every 80000 km (50000 miles)

        Color

        Pink
        Tip:

        *: Similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology. (Coolant with long-life hybrid organic acid technology is a combination of low phosphates and organic acids.)