Repair Procedures: Replacement

WARNING: This page is about a different car, the 2017 Hyundai Elantra. 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 engine cover (A).

Fig 1: Locating Engine Cover
Courtesy of HYUNDAI MOTOR AMERICA
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 lb-ft)

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

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

Fig 3: Locating Discharge Line And Liquid Line With Nuts
Courtesy of HYUNDAI MOTOR AMERICA
Disconnect the A/C pressure transducer connector (A).

Fig 4: Locating A/C Pressure Transducer Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the engine room under cover.
(Refer to Engine Mechanical System - "ENGINE ROOM UNDER COVER ")
Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor.
Tightening torque:

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

Information
- Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
Loosen the bracket mounting bolt (B) from suction & liquid assembly (A).
Tightening torque:

7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)
Remove the refrigerant line assembly (A) to the upper of engine room.

Fig 5: Locating Refrigerant Line Assembly With Bracket Mounting Bolt
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: 500 ± 25 g (17.6 ± 0.88 oz.)