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Home >> Kia >> 2021 >> K5 GT-Line, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Heater System) >> Heater Unit >> Repair Procedures >> Replacement
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Repair Procedures: Replacement

WARNING: This page is about a different car, the 2024 Kia K5. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • When prying with a flat-tip screwdriver or use a prying trim tool, wrap it with protective tape, and apply protective tape around the related parts, to prevent damage.
  1. Disconnect the negative (-) battery terminal.
  2. Recover the refrigerant with a recovery/recycling/charging station.
  3. When the engine is cool, drain the engine coolant from the radiator.

    G 1.6 T-GDI GAMMA II (Refer to " Replacement And Air Bleeding  " ) 

    G 2.5 T-GDI THETA III (Refer to " Replacement and Air Bleeding  " ) 

  4. Remove the cowl top cover.

    (Refer to " Replacement  ") 

  5. Remove the expansion valve cover (A) by loosening the mounting nut.

    Tightening torque: 

    8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

    G13836439Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the expansion valve (A) from the evaporator core by loosening the mounting bolts.

    Tightening torque: 

    8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

    G13836440Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    • When installing, replace with a new O-ring.
  7. Separate the heater hose (A) and (B).
    G13836441Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Engine coolant will run out when the hoses are disconnected; drain it into a clean drip pan. Be sure not to let coolant spill on electrical parts or painted surfaces. If any coolant spills, rinse it off immediately.
  8. Loosen the cowl cross bar mounting bolts.
    G13836442Courtesy of KIA MOTORS AMERICA, INC.
  9. Remove the front seat assembly.

    (Refer to " Replacement  ") 

  10. Remove the floor console assembly.

    (Refer to " Replacement  ") 

  11. Remove the crash pad center panel.

    (Refer to " Replacement  " ) 

  12. Remove the front pillar trim.

    (Refer to " Replacement  ") 

  13. Remove the cowl side trim.

    (Refer to " Replacement  ") 

  14. Remove the steering column shroud lower panel.

    (Refer to " [Steering Column Shroud Lower Panel]  ") 

  15. Remove the steering wheel.

    (Refer to " Removal  ") 

  16. Remove the multifunction switch.

    (Refer to " Removal  ") 

  17. Lower the steering column after loosening the mounting bolts.

    (Refer to " Removal  ") 

  18. Remove the accelerator pedal.

    (Refer to " Removal  " ) 

  19. Separate the floor carpet (A) to obtain space for removing the rear heating duct.
    G13836443Courtesy of KIA MOTORS AMERICA, INC.
  20. Remove the rear heating duct (A).
    G13836444Courtesy of KIA MOTORS AMERICA, INC.
  21. Disconnect the airbag control module (SRSCM) connector (A).
    G13836445Courtesy of KIA MOTORS AMERICA, INC.
  22. Disconnect the connector (A) by loosening the front pillar mounting clips.

    [LH] 

    G13836446Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    G13836447Courtesy of KIA MOTORS AMERICA, INC.
  23. Disconnect the junction box connectors (A).
    G13836448Courtesy of KIA MOTORS AMERICA, INC.
  24. Disconnect the multi box connectors (A).

    [LH] 

    G13836449Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    G13836450Courtesy of KIA MOTORS AMERICA, INC.
  25. Remove the drain hose (A).
    G13836451Courtesy of KIA MOTORS AMERICA, INC.
  26. Loosen the lower mounting bolt of the blower unit.

    Tightening torque: 

    3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

    [LH] 

    G13836452Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    G13836453Courtesy of KIA MOTORS AMERICA, INC.
  27. Remove the plug holes (A).
  28. Loosen the cowl cross bar side mounting bolts.

    [LH] 

    G13836454Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    G13836455Courtesy of KIA MOTORS AMERICA, INC.
  29. Remove the crash pad and heater and blower unit assembly (A) together after loosening the bolts and nuts.
    G13836456Courtesy of KIA MOTORS AMERICA, INC.
  30. Remove the integrated body control unit.

    (Refer to " Removal  ") 

  31. Remove the heater control unit.

    (Refer to " Replacement  ") 

  32. Remove the surround view monitor (SVM).

    (Refer to " Removal  ") 

  33. Remove the parking collision-avoidance assist (PCA).

    (Refer to " Removal  ") 

  34. Remove the parking collision-avoidance assist (PCA) unit bracket (A) after loosening the bolts and screws.
    G13836457Courtesy of KIA MOTORS AMERICA, INC.
  35. Disconnect the heater and blower unit connectors and wiring.

    [LH] 

    1. Disconnect the temperature control actuator [LH] (A) and mode control actuator (B) connectors.
      G13836458Courtesy of KIA MOTORS AMERICA, INC.

    [RH] 

    1. Disconnect the auto defogging actuator connector (A).
      G13836459Courtesy of KIA MOTORS AMERICA, INC.
    2. Disconnect the intake actuator (A), cluster ionizer (B) and temperature control actuator [RH] (C) connectors.
      G13836460Courtesy of KIA MOTORS AMERICA, INC.
    3. Disconnect the evaporator sensor (a) and power mosfet (B) connectors.
      G13836461Courtesy of KIA MOTORS AMERICA, INC.
    4. Disconnect the blower motor connector (A).
      G13836462Courtesy of KIA MOTORS AMERICA, INC.
  36. Remove the heater and blower unit (A) from the crash pad by loosening the mounting nuts, and bolts.
    G13836463Courtesy of KIA MOTORS AMERICA, INC.
  37. Separate the heater unit (A) and blower unit (B) by loosening the mounting screws.
    G13836464Courtesy of KIA MOTORS AMERICA, INC.
  38. Install in the reverse order of removal.

    Information 

    • Make sure connectors are connected properly.
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