COOLANT ON-VEHICLE INSPECTION

PROCEDURE


  1. INSPECT FOR COOLANT LEAK (for Intercooler)

    CAUTION:

    Do not remove the reserve tank cap (for Intercooler) while the coolant (for Intercooler) is still hot. Pressurized, hot coolant and steam may be released and cause serious burns.


    1. Remove the reserve tank cap (for Intercooler).

    2. A01R3HT

      Fill the intercooler reserve tank assembly with coolant, and then install a radiator cap tester.

    3. Warm up the engine.

    4. Using the radiator cap tester, increase the pressure inside the intercooler cooling radiator assembly to 123 kPa (1.3 kgf/cm2, 18 psi), and then check that the pressure does not drop.

      If the pressure drops, check the hoses, intercooler cooling radiator assembly, intercooler assembly, turbocharger sub-assembly and electric water pump assembly for leakage.

      If there are no signs of external coolant leaks, check the intercooler assembly and turbocharger sub-assembly.

    5. Remove the radiator cap tester.

    6. Install the reserve tank cap (for Intercooler).

  2. INSPECT COOLANT LEVEL (for Intercooler)


    1. A01R3HWC01
      *a F Line
      *b L Line

      Check that the coolant level is between the L and F lines when the engine is cold.

      If the level is low, check for leakage and add TOYOTA 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 up to the F line.

      Note

      Do not substitute plain water for coolant.

  3. INSPECT COOLANT QUALITY (for Intercooler)

    CAUTION:

    To avoid the danger of being burned, do not remove the reserve tank cap (for Intercooler) while the coolant (for Intercooler) is still hot. Thermal expansion will cause hot coolant and steam to blow out from the intercooler reserve tank assembly.


    1. Remove the reserve tank cap (for Intercooler).

    2. Check that there are no excessive deposits of rust or scale around the reserve tank cap (for Intercooler) and that the coolant is free of oil.

      If the coolant is excessively dirty, replace the coolant.

    3. Install the reserve tank cap (for Intercooler).