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Repair Procedures: Replacement

WARNING: This page is about a different car, the 2018 Hyundai Accent. 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.

    (Refer to Engine Mechanical System - "COOLANT ")

  4. Remove the cowl top cover.

    (Refer to Body - "COWL TOP COVER ")

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

    Tightening Torque: 

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

    G12598032Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    • When installing, replace with a new O-ring.
  6. Disconnect the heater hoses (A) from the heater unit.
    G12598033Courtesy of HYUNDAI MOTOR AMERICA
    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.
  7. Loosen the cowl cross member mounting bolts.

    Tightening Torque: 

    16.7 - 25.5 N.m (1.7 - 2.6 kgf.m, 12.3 -18.8 lb-ft)

    G12598034Courtesy of HYUNDAI MOTOR AMERICA
  8. Remove the floor console assembly.

    (Refer to Body - "FLOOR CONSOLE ASSEMBLY ")

  9. Remove the crash pad lower panel.

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

  10. Remove both sides of the front pillar trim.

    (Refer to Body - "FRONT PILLAR TRIM ")

  11. Remove the cowl side trim.

    (Refer to Body - "COWL SIDE TRIM ")

  12. Remove the steering column shroud lower panel.

    (Refer to Body - "STEERING COLUMN SHROUD PANEL ")

  13. Remove the steering wheel.

    (Refer to Steering System - "STEERING WHEEL ")

  14. Remove the multifunction switch.

    (Refer to Body Electrical System - "MULTIFUNCTION SWITCH ")

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

    (Refer to Steering System - "MDPS COLUMN AND HOUSING ")

  16. Remove the shift lever assembly.

    (Refer to Automatic Transmission System - "SHIFT LEVER ")

  17. Remove the rear air duct (A).
    G12598035Courtesy of HYUNDAI MOTOR AMERICA
  18. Separate the floor carpet (A) to obtain space for removing the rear heating duct.
    G12598036Courtesy of HYUNDAI MOTOR AMERICA
  19. Loosen the mounting nuts and remove the front air duct (A).
    G12598037Courtesy of HYUNDAI MOTOR AMERICA
  20. Disconnect the airbag control module (SRSCM) connector (A).
    G12598038Courtesy of HYUNDAI MOTOR AMERICA
  21. Disconnect the junction box connectors (A).
    G12598039Courtesy of HYUNDAI MOTOR AMERICA
  22. Disconnect the multi box connectors (A).

    [Driver's Side] 

    G12598040Courtesy of HYUNDAI MOTOR AMERICA

    [Passenger's Side] 

    G12598041Courtesy of HYUNDAI MOTOR AMERICA
  23. Disconnect the connectors (A) and the mounting clips in the front pillar.
    G12598042Courtesy of HYUNDAI MOTOR AMERICA
  24. Remove the drain hose (A).
    G12598043Courtesy of HYUNDAI MOTOR AMERICA
  25. Loosen the cowl blower unit mounting bolts.

    Tightening Torque: 

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

    G12598044Courtesy of HYUNDAI MOTOR AMERICA
  26. After loosening the bolts and nuts remove the main crash pad and cowl cross bar assembly (A) together.
    G12598045Courtesy of HYUNDAI MOTOR AMERICA
  27. Disconnect the heater & blower unit connectors.
    1. Disconnect the mode actuator connector (A) and remove the wiring mounting clips.
      G12598046Courtesy of HYUNDAI MOTOR AMERICA
    2. Disconnect the auto defogging actuator connector (A) and intake actuator connector (B) remove the wiring mounting clips.
      G12598047Courtesy of HYUNDAI MOTOR AMERICA
    3. Disconnect the temperature control actuator (A), power mosfet connector (B) and remove the wiring mounting clips.
      G12598048Courtesy of HYUNDAI MOTOR AMERICA
    4. Disconnect the blower motor connector (A) and remove the wiring mounting clips.
    G12598049Courtesy of HYUNDAI MOTOR AMERICA
  28. Loosen the heater & blower unit mounting bolt (A).
    G12598050Courtesy of HYUNDAI MOTOR AMERICA
  29. Remove the heater and blower unit from the crash pad after loosening the mounting nuts.
  30. Separate the blower unit (A) from the heater unit (B) after loosening the screws.
    G12598051Courtesy of HYUNDAI MOTOR AMERICA
  31. To install, reverse the removal procedure.