Refrigerant Line: Replacement

WARNING: This page is about a different car, the 2022 Genesis GV70. However, it is still accessible from the selected car via links, so may be relevant.

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.
Disconnect the negative (-) battery terminal.
Recover the refrigerant with a recovery/charging station.
(Refer to Air Conditioning System - "REFRIGERANT RECOVERY/RECYCLING/CHARGING/VACUUM ")
Remove the engine control module (ECM).
(Refer to Engine Control/Fuel System - "ENGINE CONTROL MODULE (ECM) ")
Remove the front wiper motor.
(Refer to Body Electrical System - "FRONT WIPER MOTOR ")
Loosen the mounting clips, remove the engine side cover bracket (A).

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Loosen the mounting clips, remove the partition wall side cover (A).

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Loosen the mounting bolts, remove the strut bar (A).
[Front]

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[Rear]

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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)

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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)

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Disconnect the APT (Air conditioning Pressure Transducer) sensor connector (A).

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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)

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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.
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)

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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)