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Home >> Genesis >> 2024 >> GV70 2.5T >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning System >> Refrigerant Line >> Replacement

Refrigerant Line: Replacement

  1. If a compressor is available, the air conditioner is operated for a few minutes in the engine idle state and then the engine is stopped.
  2. Disconnect the negative (-) battery terminal.
  3. Recover the refrigerant with a recovery/charging station.

    (Refer to Air Conditioning System - "REFRIGERANT RECOVERY/RECYCLING/CHARGING/VACUUM ")

  4. Remove the engine control module (ECM).

    (Refer to Engine Control/Fuel System - "ENGINE CONTROL MODULE (ECM) ")

  5. Remove the front wiper motor.

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

  6. Loosen the mounting clips, remove the engine side cover bracket (A).
    G16856423Courtesy of HYUNDAI MOTOR AMERICA
  7. Loosen the mounting clips, remove the partition wall side cover (A).
    G16856424Courtesy of HYUNDAI MOTOR AMERICA
  8. Loosen the mounting bolts, remove the strut bar (A).

    [Front] 

    G16856425Courtesy of HYUNDAI MOTOR AMERICA

    [Rear] 

    G16856426Courtesy of HYUNDAI MOTOR AMERICA
  9. Loosen the mounting bolts and separate the expansion valve (A) front evaporator core.

    Tightening torque: 

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

    G16856427Courtesy of HYUNDAI MOTOR AMERICA
  10. Loosen the mounting nuts and separate the suction line (A), discharge line (B).

    Tightening torque: 

    15.7 - 23.5 N.m (1.6 - 2.4 kgf.m, 11.6 - 17.4 lb-ft)

    G16856428Courtesy of HYUNDAI MOTOR AMERICA
  11. Disconnect the APT (Air conditioning Pressure Transducer) sensor connector (A).
    G16856429Courtesy of HYUNDAI MOTOR AMERICA
  12. Separate the compressor suction line (A) and discharge line (B) connection nuts and disconnect the line.

    Tightening torque: 

    21.6 - 32.4 N.m (2.2 - 3.3 kgf.m, 15.9 - 23.9 lb-ft)

    G16856430Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.

      (Refer to General Information - "LIFT AND SUPPORT POINTS ")

    NOTE:
    • Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
  13. Loosen the mounting bolts and then remove the suction & liquid pipe assembly (A).

    Tightening torque: 

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

    G16856431Courtesy of HYUNDAI MOTOR AMERICA
  14. To install, reverse removal procedure.
    CAUTION:
    • Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
    • Tighten the bolt or nut joint to the specified torque.
    • Using a gas leak detector, check for refrigerant leakage.
    • Evacuate air in the refrigeration system and charge system with refrigerant.

      Refrigerant Capacity: 

      R-1234yf: 625 ± 25g (20.09 ± 0.8 oz)