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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Cooling System - 2.0L (Except HEV)) >> Coolant >> Repair Procedures >> Refilling And Bleeding

Refilling And Bleeding

WARNING: This page is about a different variant/trim than selected.
WARNING:
  • Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator.
  1. Make sure the engine and radiator are cool to the touch.
  2. Remove the radiator cap (A).
    G14607214Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the engine room under cover.

    (Refer to Engine And Transaxle Assembly - "ENGINE ROOM UNDER COVER ")

  4. Loosen the drain plug (A), and drain the coolant.
    G14607215Courtesy of HYUNDAI MOTOR AMERICA
  5. Tighten the radiator drain plug securely after draining the coolant.
  6. Remove the cooling fan assembly and after draining engine coolant in the reservoir tank, clean the reservoir tank.

    (Refer to Cooling System - "COOLING FAN ")

  7. Install the cooling fan assembly.

    (Refer to Cooling System - "COOLING FAN ")

  8. Fill with fluid mixture of coolant and water (45 - 60%) slowly through the radiator cap.
    NOTE:
    • Make sure to insert the maximum amount of coolant after turning off the engine and cutting the power of the components.

    Coolant capacity 

    Approx. 7.4 L (1.95 US.gal, 7.82 US.qt, 6.51 Imp.qt)

    NOTE:
    • Press the upper/lower hoses on the radiator so that the air can get out easily.
    • Use only genuine antifreeze/coolant.
    • For best corrosion protection, the coolant concentration must be maintained year-round at 45 - 60% minimum.

      Coolant concentrations less than 45 - 60% may not provide sufficient protection against corrosion or freezing.

    • Coolant concentrations greater than 60% will impair cooling efficiency and are not recommended.
    • Do not mix different brands of antifreeze/coolants.
    • Do not use additional rust inhibitors or antirust products; they may not be compatible with the coolant.
  9. Connect the diagnostic tool and then Key 'IG ON'.
  10. Use the diagnostic tool to activate the "integrated thermal management module (ITM) coolant refilling mode".
    G14607216Courtesy of HYUNDAI MOTOR AMERICA
  11. Warm up the engine for 20 minutes after cooling fan operates 1 time.
  12. After disconnecting the diagnostic tool, turn the ignition switch to OFF and then restart engine.
  13. Install the radiator cap (A).
    G14607217Courtesy of HYUNDAI MOTOR AMERICA
  14. Add coolant if it is insufficient.
  15. Install the engine room under cover.

    (Refer to the Engine And Transaxle Assembly - "ENGINE ROOM UNDER COVER ")

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