Repair Procedures: Replacement

WARNING: This page is about a different car, the 2017 Genesis G90. However, it is still accessible from the selected car via links, so may be relevant.

If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off.
Disconnect the negative (-) battery terminal.
Recover the refrigerant with a recovery/charging station.
Remove the cowl top cover.
(Refer to Body (Interior and Exterior) - "COWL TOP COVER ")
Remove the engine cover and engine room cover.
(Refer to Engine Mechanical System - "ENGINE COVER ")
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "AIR CLEANER ")
Disconnect the TCM connector (A) and ECM connector (B).
Remove the ground (C) and wiring after loosening the mounting bolts.

Fig 1: Locating TCM Connector, ECM Connector And Ground With Mounting Bolts
Courtesy of HYUNDAI MOTOR AMERICA
Remove the strut bar [LH] (A) after loosening the mounting bolts.

Fig 2: Locating LH Strut Bar
Courtesy of HYUNDAI MOTOR AMERICA
Remove the bolts and the expansion valve (A) from the evaporator core.
Tightening Torque:

7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Fig 3: Locating Expansion Valve
Courtesy of HYUNDAI MOTOR AMERICA
Remove the 2 nuts, and then disconnect the discharge line (B) and liquid line (A) from the condenser.
Tightening Torque:

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

Fig 4: Locating Discharge Line And Liquid Line Of Condenser With Nuts
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the A/C pressure transducer connector (A).

Fig 5: Locating A/C Pressure Transducer Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the engine room partition wall.
(Refer to Engine Mechanical System - "ENGINE COVER ")
Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor.
Tightening Torque:

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

Information
- Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
  
  Fig 6: Locating Suction Line And Discharge Line Of Compressor With Mounting Bolt
  Courtesy of HYUNDAI MOTOR AMERICA
Remove the suction & liquid tube assembly (A) to the upper of engine room.

Fig 7: Locating Suction & Liquid Tube Assembly
Courtesy of HYUNDAI MOTOR AMERICA
To install, reverse the 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.
  Capacity
  
  R-134a: 700 ± 25 g (24.7 ± 0.88 oz.)