COOLING SYSTEM GENERAL


  1. OUTLINE


    1. The cooling system is a pressurized, forced-circulation type.

    2. A thermostat with a bypass valve is located on the water inlet housing to maintain suitable temperature distribution in the cooling system.

    3. The radiator core is made of aluminum for lightweight.

    4. EGR pipe with cooler sub-assembly to cool down intake air temperature during EGR operation is used.

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

      A01KAAOE01
      Text in Illustration
      *1 Electric EGR Control Valve Assembly *2 EGR Pipe with Cooler Sub-assembly

  2. SPECIFICATION


    1. Engine Coolant and Thermostat

      Engine Coolant Type TOYOTA Genuine Super Long Life Coolant (SLLC) or 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.) Do not use plain water alone.
      Color Pink
      Capacity 9.8 Liters (10.4 US qts, 8.6 Imp. qts)
      Maintenance Intervals First time 160,000 km (100,000 miles)
      Subsequent Every 80,000 km (50,000 miles)
      Thermostat Opening Temperature 80°C- 84°C (176°F-183°F)

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