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Home >> Genesis >> 2019 >> G70 2.0T Advanced, RWD, Automatic Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Blower System >> Blower Unit >> Repair Procedures >> Replacement

Repair Procedures: Replacement

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.

    (For 2.0L, refer to - "COOLANT ". For 3.3L, refer to - "COOLANT ".)

  4. Remove the engine cover.

    (For 2.0L, refer to - "ENGINE COVER ". For 3.3L, refer to "ENGINE COVER ".)

  5. After loosening the mounting clips, remove the partition wall side cover (A).
    G13542469Courtesy of HYUNDAI MOTOR AMERICA
  6. Remove the cowl top cover.

    (Refer to Body - "COWL TOP COVER ")

  7. 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)

    G13542470Courtesy 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.
  8. Disconnect the inlet (A) and outlet (B) heater hoses from the heater unit.
    G13542471Courtesy 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.
  9. Loosen the cowl cross member mounting bolts.
    G13542472Courtesy of HYUNDAI MOTOR AMERICA
  10. Remove the floor console assembly.

    (Refer to Body - "FLOOR CONSOLE ASSEMBLY ")

  11. Remove the crash pad lower panel.

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

  12. Remove both sides of the front pillar trim.

    (Refer to Body - "FRONT PILLAR TRIM ")

  13. Remove the cowl side trim.

    (Refer to Body - "COWL SIDE TRIM ")

  14. Remove the steering column shroud lower panel.

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

  15. Remove the steering wheel.

    (Refer to Steering System - "STEERING WHEEL ")

  16. Remove the multifunction switch.

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

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

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

  18. Remove the shift lever assembly.

    (Refer to Manual Transmission System - "SHIFT LEVER ". Refer to Automatic Transmission System - "E-SHIFTER ".)

  19. Remove the accelerator pedal.

    (For 2.0L, refer to - "ACCELERATOR POSITION SENSOR (APS) ". For 3.3L, refer to - "ACCELERATOR POSITION SENSOR (APS) ".)

  20. Separate the floor carpet (A) to obtain space for removing the rear heating duct.
    G13542473Courtesy of HYUNDAI MOTOR AMERICA
  21. Loosen the mounting bolt and remove the floor air duct (A).
    G13542474Courtesy of HYUNDAI MOTOR AMERICA
  22. Disconnect the airbag control module (SRSCM) connector (A).
    G13542475Courtesy of HYUNDAI MOTOR AMERICA
  23. Disconnect the junction box connectors (A).
    G13542476Courtesy of HYUNDAI MOTOR AMERICA
  24. Disconnect the multi box connectors (A).

    [Driver's side] 

    G13542477Courtesy of HYUNDAI MOTOR AMERICA

    [Passenger's side] 

    G13542478Courtesy of HYUNDAI MOTOR AMERICA
  25. Disconnect the connectors (A) and the mounting clips in the front pillar.

    [Driver's side] 

    G13542479Courtesy of HYUNDAI MOTOR AMERICA

    [Passenger's side] 

    G13542480Courtesy of HYUNDAI MOTOR AMERICA
  26. Loosen the blower unit mounting bolts.

    [Driver's side] 

    G13542481Courtesy of HYUNDAI MOTOR AMERICA

    [Passenger's side] 

    G13542482Courtesy of HYUNDAI MOTOR AMERICA
  27. Remove the drain hose (A).
    G13542483Courtesy of HYUNDAI MOTOR AMERICA
  28. After loosening the bolts and nuts remove the main crash pad and cowl cross bar assembly (A) together.
    G13542484Courtesy of HYUNDAI MOTOR AMERICA
  29. Remove the integrated body control unit.

    (Refer to Body Electrical System - "INTEGRATED BODY CONTROL UNIT (IBU) ")

  30. Remove the heater & A/C control unit.

    (Refer to Heating, Ventilation, Air Conditioning - "HEATER & A/C CONTROL UNIT (DATC) ")

  31. Disconnect the heater & blower unit connectors.
    1. Disconnect the driver's temperature control actuator (A) and mode control actuator (B) connectors, and then remove the wiring mounting clips.
    2. Disconnect the console temperature sensor (C), console ON/OFF actuator (D) connectors and then remove the wiring mounting clips.
    3. Disconnect the blower motor connector (A) and remove the wiring mounting clips.
      G13542485Courtesy of HYUNDAI MOTOR AMERICA
    4. Disconnect the PTC heater connector (A) and remove the wiring mounting clips.
      G13542486Courtesy of HYUNDAI MOTOR AMERICA
    5. Disconnect the power mosfet connector (C), evaporator temperature sensor connector (A), passenger's side temper nature control actuator (B) and remove the wiring mounting clips.
      G13542487Courtesy of HYUNDAI MOTOR AMERICA
    6. Disconnect the intake actuator connector (A), auto defogging actuator (B) and remove the wiring mounting clips.
      G13542488Courtesy of HYUNDAI MOTOR AMERICA
  32. Remove the heater and blower unit (A) from the crash pad (B) after loosening the mounting nuts and bolt.

    Tightening torque: 

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

    G13542489Courtesy of HYUNDAI MOTOR AMERICA
  33. After loosening the mounting screws, remove the heater core cover (A).
    G13542490Courtesy of HYUNDAI MOTOR AMERICA
  34. Separate the blower unit (B) from the heater unit (A) after loosening the screws.
    G13542491Courtesy of HYUNDAI MOTOR AMERICA
    G13542492Courtesy of HYUNDAI MOTOR AMERICA
  35. To install, reverse the removal procedure.
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