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Home › Kia › 2018 › Cadenza Technology › Repair and Diagnosis › Engine Mechanical › Cooling System (Mechanical) › Engine Cooling System › Water Temperature Control Assembly › Repair Procedures › Removal and Installation › Water Temperature Control Assembly

Water Temperature Control Assembly

  1. Remove the engine cover.

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

  2. Remove the air duct.

    (Refer to Intake And Exhaust System - "AIR CLEANER ")

  3. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Remove the air cleaner assembly.

    (Refer to Intake And Exhaust System - "AIR CLEANER ")

  5. Remove the engine front under cover.

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

  6. Drain the engine coolant.

    (Refer to Cooling System - "COOLANT ")

  7. Disconnect the radiator upper hose (A).
    Fig 1: Disconnecting Radiator Upper Hose
    G12287778Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the radiator lower hose (A).
    Fig 2: Disconnecting Radiator Lower Hose
    G12287779Courtesy of KIA MOTORS AMERICA, INC.
  9. Disconnect the water temperature sensor connector (A).
    Fig 3: Disconnecting Water Temperature Sensor Connector
    G12287780Courtesy of KIA MOTORS AMERICA, INC.
  10. Disconnect the control wiring harness connectors and fasteners and remove the wiring harness protectors from the water temperature control assembly.
    Fig 4: Disconnecting Control Wiring Harness Connectors And Fasteners
    G12287781Courtesy of KIA MOTORS AMERICA, INC.
  11. Disconnect the throttle body coolant hoses (A).
    Fig 5: Disconnecting Throttle Body Coolant Hoses
    G12287782Courtesy of KIA MOTORS AMERICA, INC.
  12. Disconnect the heater inlet hose (A).
    Fig 6: Disconnecting Heater Inlet Hose
    G12287783Courtesy of KIA MOTORS AMERICA, INC.
  13. Disconnect the ATF warmer hose (A).
    Fig 7: Disconnecting ATF Warmer Hose
    G12287784Courtesy of KIA MOTORS AMERICA, INC.
  14. Remove the water temperature control assembly (A).

    Tightening torque  :

    19.6 - 23.5 N.m (2.0 - 2.4 kgf., 14.5 - 17.4 lb.ft)

    Fig 8: Removing Water Temperature Control Assembly
    G12287785Courtesy of KIA MOTORS AMERICA, INC.
  15. Remove the water temperature control assembly gasket (A).

    [LH] 

    Fig 9: Removing Water Temperature Control Assembly Gasket (LH)
    G12287786Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    Fig 10: Removing Water Temperature Control Assembly Gasket (RH)
    G12287787Courtesy of KIA MOTORS AMERICA, INC.
  16. Install in the reverse order of removal.
  17. Fill the radiator with coolant and check for leaks.

    (Refer to Cooling System - "COOLANT ")

    NOTE:
    • Refill engine coolant.
    • Refill radiator and reservoir tank with engine coolant.
    • Bleed air from the cooling system.
      • Start the engine and let it run until it warms up until the radiator fan operates 3 to 4 times).
      • Turn off the engine. Check the level in the radiator, and add coolant if needed. This will release trapped air from the cooling system.
      • Put radiator cap on tightly, then run the engine again and check for leaks.
    • Before assembling the water temperature control assembly, clean the battery posts and cable terminals with sandpaper and grease the o-ring to prevent corrosion.
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