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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (Engine Cooling System - 1.6L - Optima (Except HEV)) >> Radiator >> Repair Procedures >> Removal and Installation

Removal and Installation

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery negative terminal.
  2. Remove the engine room under cover.

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

  3. Drain the engine coolant.

    (Refer to Cooling System - "COOLANT ")

  4. Remove the air cleaner assembly.

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

  5. Disconnect the cooling fan connector (A).
    Fig 1: Locating Cooling Fan Connector
    G11822775Courtesy of KIA MOTORS AMERICA, INC.
  6. Disconnect the radiator upper hose (A).
    Fig 2: Locating Radiator Upper Hose
    G11822776Courtesy of KIA MOTORS AMERICA, INC.
  7. Disconnect the radiator lower hose (A).
    Fig 3: Locating Radiator Lower Hose
    G11822777Courtesy of KIA MOTORS AMERICA, INC.
  8. Disconnect the reservoir hose (A).
    Fig 4: Locating Reservoir Hose
    G11822778Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the front bumper cover.

    (Refer to Body (Interior and Exterior) - "FRONT BUMPER COVER ")

  10. Remove the radiator upper member bracket (A).

    Tightening torque: 

    21.6 - 26.5 N.m (2.2 - 2.7 kgf.m, 15.9 - 19.5 lb.ft)

    Fig 5: Locating Radiator Upper Member Bracket
    G11822779Courtesy of KIA MOTORS AMERICA, INC.
  11. Remove the air guide (A).

    Tightening torque: 

    7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.7 - 8.6 lb.ft)

    Fig 6: Locating Air Guide
    G11822780Courtesy of KIA MOTORS AMERICA, INC.
  12. Remove the radiator assembly (A).
    Fig 7: Locating Radiator Assembly
    G11822781Courtesy of KIA MOTORS AMERICA, INC.
  13. Remove the cooling fan (A) from the radiator (B).
    Fig 8: Locating Cooling Fan And Radiator
    G11822782Courtesy of KIA MOTORS AMERICA, INC.
  14. Install in the reverse order of removal.
  15. Fill the radiator with coolant.

    (Refer to Cooling System - "COOLANT ")

  16. Start engine and check for leaks.