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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 109 (Heater System (HEV)) >> Heater Core >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the negative (-) battery terminal.
  2. Remove the heater and blower assembly.

    (Refer to Heater - "HEATER UNIT ")

  3. Remove the heater core cover (A) after loosening the mounting screws.
    G13391086Courtesy of KIA MOTORS AMERICA, INC.
  4. Pull out the heater core (A) from the heater unit.
    G13391087Courtesy of KIA MOTORS AMERICA, INC.
  5. Install in the reverse order of removal.
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