COOLING SYSTEM GENERAL


  1. OUTLINE


    1. The cooling system uses a pressurized forced circulation system with open air type reservoir tank.

    2. The thermostat separated from the bypass valve is located on the water pump inlet side of the cooling circuit.

    3. An aluminum radiator core is used for weight reduction.

    4. The TOYOTA genuine Super Long Life Coolant (SLLC) is used.

      A0116KWE01

  2. SPECIFICATION


    1. Engine Coolant


      1. The TOYOTA genuine Super Long Life Coolant (SLLC) is used.

      2. SLLC is pre-mixed (50% coolant and 50% deionized water). Therefore, no dilution is needed when SLLC in the vehicle is added or replaced.

      3. Maintenance interval is as shown in the table below.

        Coolant Type TOYOTA Genuine SLLC or the equivalent*
        Maintenance Intervals First Time 160000 km (100000mile)
        Subsequent Every 80000 km (50000 mile)
        Color Pink

        Tech Tips

        *: 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.)

    2. Thermostat

      Thermostat Opening Temperature 80 - 84°C (176 - 183°F)