Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Kia >> 2015 >> Soul Base, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Heater Unit >> Repair Procedures >> Replacement

Repair Procedures: Replacement

  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.

    (Refer to ENGINE COOLING SYSTEM - 1.6L ) or (Refer to ENGINE COOLING SYSTEM - 2.0L )

  4. Remove the cowl top cover.

    (Refer to COWL TOP COVER )

  5. Remove the bolts and the expansion valve (A) from the evaporator core.

    Tightening torque: 

    7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 lb-ft)

    Fig 1: Expansion Valve
    G09778701Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the expansion valve flange (A) after loosening the screws.
    Fig 2: Expansion Valve Flange And O-Ring
    G09778702Courtesy 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 (B).
  7. Disconnect the inlet (A) and outlet (B) heater hoses from the heater unit.
    Fig 3: Inlet & Outlet Heater Hoses
    G09778703Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • When disconnecting the hoses, engine coolant will pour out of the hose. So drain the coolant into a clean drip pan.
  8. Remove the inlet and outlet heater hoses flange (A) after loosening the nuts (B).
    Fig 4: Heater Hoses Flange And Nuts
    G09778704Courtesy of KIA MOTORS AMERICA, INC.
    Fig 5: Inlet And Outlet Heater Hoses Flange
    G09778705Courtesy of KIA MOTORS AMERICA, INC.
  9. Loosen the cowl cross member mounting bolts (A).
    Fig 6: Cowl Cross Member Mounting Bolts
    G09778706Courtesy of KIA MOTORS AMERICA, INC.
  10. Remove both sides of front seat assembly.

    (Refer to "FRONT SEAT ASSEMBLY ")

  11. Remove the floor console assembly.

    (Refer to "FLOOR CONSOLE ASSEMBLY ")

  12. Remove the center fascia panel.

    (Refer to "CENTER FASCIA PANEL ")

  13. Remove the crash pad lower panel.

    (Refer to "CRASH PAD LOWER PANEL ")

  14. Remove the glove box housing.

    (Refer to "GLOVE BOX HOUSING ")

  15. Remove the crash pad center lower panel.

    (Refer to "CRASH PAD CENTER PANEL ")

  16. Remove both sides of the front pillar trim.

    (Refer to "FRONT PILLAR TRIM ")

  17. Remove both sides of the cowl side trim.

    (Refer to "COWL SIDE TRIM ")

  18. Remove the steering column shroud lower panel.

    (Refer to "STEERING COLUMN SHROUD PANEL ")

  19. Remove the steering wheel.

    (Refer to STEERING WHEEL )

  20. Remove the multifunction switch.

    (Refer to MULTIFUNCTION SWITCH

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

    (Refer to "STEERING COLUMN AND SHAFT ")

  22. Remove the rear air duct assembly (A).
    Fig 7: Removing Rear Air Duct Assembly
    G09778707Courtesy of KIA MOTORS AMERICA, INC.
  23. Remove the shift lever assembly.

    (Refer to SHIFT LEVER 1.6L ) or (Refer to SHIFT LEVER 2.0L )

  24. Disconnect the airbag control module (SRSCM) connector (A).
    Fig 8: Airbag Control Module (SRSCM) Connector
    G09778708Courtesy of KIA MOTORS AMERICA, INC.
  25. After loosening the mounting bolts and nuts, then remove the cowl cross bar center bracket (A).
    Fig 9: Cowl Cross Bar Center Bracket
    G09778709Courtesy of KIA MOTORS AMERICA, INC.
  26. Disconnect the passenger compartment junction box connectors (A).
    Fig 10: Passenger Compartment Junction Box Connectors
    G09778710Courtesy of KIA MOTORS AMERICA, INC.
  27. Remove the passenger compartment junction box mounting clips (A).
    Fig 11: Passenger Compartment Junction Box Mounting Clips
    G09778711Courtesy of KIA MOTORS AMERICA, INC.
  28. Disconnect the multi box connectors (A).

    [Driver's] 

    Fig 12: Multi Box Connectors (Driver)
    G09778712Courtesy of KIA MOTORS AMERICA, INC.

    [Passenger's] 

    Fig 13: Multi Box Connectors (Passenger)
    G09778713Courtesy of KIA MOTORS AMERICA, INC.
  29. Disconnect the connector (A) and the mounting clips (B) in the front pillar.

    [Driver's] 

    Fig 14: Front Pillar Connector And Mounting Clips (Driver)
    G09778714Courtesy of KIA MOTORS AMERICA, INC.

    [Passenger's] 

    Fig 15: Front Pillar Connector And Mounting Clips (Passenger)
    G09778715Courtesy of KIA MOTORS AMERICA, INC.
  30. Remove the drain hose (A).
    Fig 16: Drain Hose
    G09778716Courtesy of KIA MOTORS AMERICA, INC.
  31. After loosening the bolts remove the main crash pad and cowl cross bar assembly (A) together.
    Fig 17: Main Crash Pad And Cowl Cross Bar Assembly
    G09778717Courtesy of KIA MOTORS AMERICA, INC.
  32. Disconnect the heater & blower unit connectors.
    1. Disconnect the Intake actuator connector (A) and then remove the wiring mounting clips.
      Fig 18: Intake Actuator Connector
      G09778718Courtesy of KIA MOTORS AMERICA, INC.
    2. Disconnect the blower motor (A), temperature control actuator (B), mode control actuator (C) connectors and then remove the wiring mounting clips.
      Fig 19: Blower Motor, Temperature Control Actuator And Mode Control Actuator
      G09778719Courtesy of KIA MOTORS AMERICA, INC.
    3. Disconnect the evaporator temperature sensor (A) field effect transistor air conditioning resistor (B) connectors and then remove the wiring mounting clips.
      Fig 20: Evaporator Temperature Sensor And Transistor Air Conditioning Resistor Connectors
      G09778720Courtesy of KIA MOTORS AMERICA, INC.
    4. Disconnect the cluster ionizer connector (A) and then remove the wiring mounting clips.
      Fig 21: Cluster Ionizer Connector
      G09778721Courtesy of KIA MOTORS AMERICA, INC.
    5. Remove the heater & blower unit wiring mounting clips (A).
      Fig 22: Heater & Blower Unit Wiring Mounting Clips
      G09778722Courtesy of KIA MOTORS AMERICA, INC.
  33. Remove the mounting clips (A).
    Fig 23: Mounting Clips
    G09778723Courtesy of KIA MOTORS AMERICA, INC.
    Fig 24: Mounting Clip
    G09778724Courtesy of KIA MOTORS AMERICA, INC.
  34. Loosen the heater and blower unit mounting bolts (A)
    Fig 25: Heater And Blower Unit Mounting Bolts
    G09778725Courtesy of KIA MOTORS AMERICA, INC.
  35. Remove the heater and blower unit (A) from the crash pad (B) after loosening the mounting nuts.
    Fig 26: Heater & Blower Unit And Crash Pad Mounting Nuts
    G09778726Courtesy of KIA MOTORS AMERICA, INC.
  36. Remove the heater unit mounting clips (A).
  37. Separate the blower unit (B) from the heater unit (C) after loosening the screws (D).
    Fig 27: Blower Unit, Heater Unit Mounting Clips And Screws
    G09778727Courtesy of KIA MOTORS AMERICA, INC.
    Fig 28: Heater Unit
    G09778728Courtesy of KIA MOTORS AMERICA, INC.
  38. Install in the reverse order of removal.