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Home › Kia › 2017 › Forte EX › 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 Mechanical System - "COOLANT ")

  4. Remove the bolts (A) and the expansion valve (B) 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: Removing Bolts And Expansion Valve From Evaporator Core
    G12166733Courtesy of KIA MOTORS AMERICA, INC.
    CAUTION:
    • Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    • When installing, replace with a new O-ring.
  5. Disconnect the inlet (C) and outlet (D) heater hoses from the heater unit.

    Tightening torque: 

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

    Fig 2: Disconnecting Inlet And Outlet Heater Hoses From Heater Unit
    G12166734Courtesy 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.
  6. Remove the cowl top cover.

    (Refer to REPLACEMENT Body - "Cowl Top Cover")

  7. Remove the front wiper motor.

    (Refer to Body Electrical System - "FRONT WIPER MOTOR ")

  8. Remove the front seat assembly.

    (Refer to Body - "FRONT SEAT ASSEMBLY ")

  9. Remove the front pillar trim.

    (Refer to Body - "FRONT PILLAR TRIM ")

  10. Remove the floor console assembly.

    (Refer to Body - "FLOOR CONSOLE ASSEMBLY ")

  11. Remove the shift lever assembly.

    (Refer to Manual Transaxle System - "SHIFT LEVER ")

    (Refer to Automatic Transaxle Control System - REMOVAL ")

  12. Remove the cowl side trim.

    (Refer to Body - "COWL SIDE TRIM ")

  13. Remove both sides of the crash pad side cover.

    (Refer to Body - "CRASH PAD SIDE COVER ")

  14. Remove the crash pad lower panel.

    (Refer to Body - "CRASH PAD LOWER PANEL ")

  15. Remove the steering wheel and column.

    (Refer to Steering System - "STEERING COLUMN AND SHAFT ")

  16. Remove the glove box housing.

    (Refer to Body - "GLOVE BOX HOUSING ")

  17. After loosening the mounting nut, remove the console duct (A).
    Fig 3: Removing Console Duct
    G12166735Courtesy of KIA MOTORS AMERICA, INC.
  18. Disconnect the passenger compartment junction box connectors (A).
    Fig 4: Disconnecting Passenger Compartment Junction Box Connectors
    G12166736Courtesy of KIA MOTORS AMERICA, INC.
  19. Disconnect the multi box connectors (A).

    [Driver's side] 

    Fig 5: Disconnecting Multi Box Connectors (Driver Side)
    G12166737Courtesy of KIA MOTORS AMERICA, INC.

    [Passenger's side] 

    Fig 6: Disconnecting Multi Box Connectors (Passenger Side)
    G12166738Courtesy of KIA MOTORS AMERICA, INC.
  20. Disconnect the airbag control module (SRSCM) connector (A).
    Fig 7: Disconnecting Airbag Control Module (SRSCM) Connector
    G12166739Courtesy of KIA MOTORS AMERICA, INC.
  21. Remove the wiring mounting clips (A).
  22. Disconnect the shift lever connector (B).
    Fig 8: Disconnecting Shift Lever Connector
    G12166740Courtesy of KIA MOTORS AMERICA, INC.
  23. Disconnect the connectors (A) and the mounting clips in the front pillar.

    [Passenger's side] 

    Fig 9: Disconnecting Connectors And Mounting Clips In Front Pillar
    G12166741Courtesy of KIA MOTORS AMERICA, INC.
  24. Loosen the mounting bolts.
    Fig 10: Loosening Mounting Bolts
    G12166742Courtesy of KIA MOTORS AMERICA, INC.
  25. Loosen the cowl cross member assembly mounting bolts (A).
    Fig 11: Loosening Cowl Cross Member Assembly Mounting Bolts
    G12166743Courtesy of KIA MOTORS AMERICA, INC.
  26. Loosen the drain hose fixing clip under the vehicle.
  27. Disconnect the heater and blower unit connectors.
  28. Remove the heater & blower unit (A) from the crash pad after loosening the mounting nuts.
    Fig 12: Removing Heater & Blower Unit From Crash Pad Mounting Nuts
    G12166744Courtesy of KIA MOTORS AMERICA, INC.
  29. Separate the blower unit from the heater unit after loosening the screws.
    Fig 13: Separating Blower Unit From Heater Unit Screws
    G12166745Courtesy of KIA MOTORS AMERICA, INC.
  30. Install in the reverse order of removal.
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