COOLANT REPLACEMENT

CAUTION / NOTICE / HINT

CAUTION:


  • B0069BK

    Do not remove the radiator cap sub-assembly, cylinder block drain cock plugs or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

  • B00697X

    To prevent injury due to contact with an operating fan and generator V-belt or cooling fan, keep your hands and clothing away from the fan and generator V-belt and cooling fans when working in the engine compartment with the engine running.

PROCEDURE


  1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY (for 4WD)

  2. DRAIN ENGINE COOLANT

    CAUTION:

    Do not remove the radiator cap sub-assembly, cylinder block drain cock plugs or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.


    1. B0024SHC01
      *a Hose

      Connect a hose with an inside diameter of 9 mm (0.354 in.) to the radiator drain cock as shown in the illustration.

    2. Loosen the radiator drain cock plug.

      B00249DC01
      *1 Radiator Cap Sub-assembly *2 Radiator Reservoir Cap
      *3 Cylinder Block Water Drain Cock Plug *4 Radiator Reservoir
      *5 Radiator Drain Cock Plug - -

    3. Remove the radiator cap sub-assembly and drain the engine coolant.

      Tech Tips

      Collect the engine coolant in a container and dispose of it according to the regulations in your area.

    4. Loosen the cylinder block water drain cock plug and drain the engine coolant from the engine.

    5. Tighten the cylinder block water drain cock plug.

      Torque:
      12.7 N*m  { 130 kgf*cm, 9 ft.*lbf }

    6. Tighten the radiator drain cock plug by hand.

    7. Disconnect the hose from the radiator drain cock.

  3. ADD ENGINE COOLANT

    CAUTION:


    • Do not remove the radiator cap sub-assembly, cylinder block drain cock plugs or radiator drain cock plug while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

    • To prevent injury due to contact with an operating fan and generator V-belt or cooling fan, keep your hands and clothing away from the fan and generator V-belt and cooling fans when working in the engine compartment with the engine running.


    1. Add engine coolant.

      Standard capacity
      9.8 liters (10.4 US qts, 8.6 Imp. qts)

      Note

      Do not substitute plain water for engine coolant.

      Tech Tips

      TOYOTA vehicles are filled with TOYOTA SLLC at the factory. In order to avoid damage to the engine cooling system and other technical problems, only use TOYOTA SLLC or similar high quality ethylene glycol based non-silicate, non-amine, non-nitrite, non-borate coolant with long-life hybrid organic acid technology (coolant with long-life hybrid organic acid technology consists of a combination of low phosphates and organic acids).

    2. Slowly pour engine coolant into the radiator reservoir until it reaches the F line.

    3. Press the radiator hose inlet and radiator hose outlet several times by hand, and then check the engine coolant level. If the engine coolant level is low, add engine coolant.

    4. Install the radiator cap sub-assembly.*1

    5. Start the engine and stop it immediately.*2

    6. Allow approximately 10 seconds to pass. Then remove the radiator cap sub-assembly and check the engine coolant level. If the engine coolant level has decreased, add engine coolant.*3

    7. Repeat steps *1, *2 and *3 until the engine coolant level does not decrease.

      Tech Tips

      Be sure to perform this step while the engine is cold, as air in the radiator hose inlet will flow into the radiator if the engine is warmed up and the thermostat opens.

    8. Install the radiator cap sub-assembly.*4

    9. Set the air conditioning as follows.*5

      Measurement Condition
      Item Condition
      Fan speed Any setting except off
      Temperature Toward WARM
      Air conditioning switch Off

    10. Start the engine, warm it up until the thermostat opens, and then continue to run the engine for several minutes to circulate the engine coolant.*6

      CAUTION:


      • Wear protective gloves. Hot areas on the parts may injure your hands.

      • Be careful of the fan.

      • Be careful as the engine, radiator assembly and radiator hoses are hot and can cause burns.

      Note


      • Immediately after starting the engine, if the radiator reservoir does not have any engine coolant, stop the engine, wait until the engine coolant has cooled down, add engine coolant until the engine coolant is filled to the F line.

      • Do not start the engine when there is no engine coolant in the radiator reservoir.

      • Pay attention to the needle of the engine coolant temperature receiver gauge. Make sure that the needle does not show an abnormally high temperature.

      • If there is not enough engine coolant, the engine may burn out or overheat.

      Tech Tips


      • Press the radiator hose inlet and radiator hose outlet several times by hand to bleed air while warming up the engine.

      • The thermostat opening timing can be confirmed by pressing the radiator hose outlet by hand and checking when the engine coolant starts to flow inside the hose.

    11. Stop the engine and wait until the engine coolant cools down to ambient temperature. Then remove the radiator cap sub-assembly and check the engine coolant level.*7

      CAUTION:

      Do not remove the radiator cap sub-assembly while the engine and radiator assembly are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.

    12. If the engine coolant level has decreased, add engine coolant and warm up the engine until the thermostat opens.*8

    13. If the engine coolant level has not decreased, check that the engine coolant level in the radiator reservoir is at the F line.

      If the engine coolant level is below the F line, repeat steps *4 through *8.

      If the engine coolant level is above the F line, drain engine coolant until the engine coolant level reaches the F line.

  4. INSPECT FOR COOLANT LEAK

    Click here

  5. INSTALL NO. 1 ENGINE UNDER COVER ASSEMBLY (for 4WD)

    Click here