Hyundai Sonata: Air Conditioning System / Refrigerant Line Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Refrigerant Line Repair procedures

Replacement
1.
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.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery/charging station.
4.
Remove the engine cover (A).

5.
Remove the expansion valve cover (A) after loosening the nut.
Tightening torque :
8.8 ~ 11.8 N.m ( 0.9 ~ 1.2 kgf.m, 6.5 ~ 8.7 Ib-ft)

6.
Remove the bolts and the expansion valve (A) from the evaporator core.
Tightening torque :
8.8 ~ 11.8 N.m ( 0.9 ~ 1.2 kgf.m, 6.5 ~ 8.7 Ib-ft)

7.
Loosen the bracket mounting bolt (B) from suction& liquid assembly (A).
Tightening torque :
8.8 ~ 11.8 N.m ( 0.9 ~ 1.2 kgf.m, 6.5 ~ 8.7 Ib-ft)

8.
Disconnect the A/C pressure transducer connector (A).

9.
Remove the 2 nuts, and then disconnect the discharge line (A) and liquid line (B) from the condenser.
Tightening torque :
8.8 ~ 11.8 N.m ( 0.9 ~ 1.2 kgf.m, 6.5 ~ 8.7 Ib-ft)

10.
Remove the engine room under cover.
(Refer to Engine Mechanical System - " Engine Room Under Cover")
11.
Remove the bolts, then disconnect the suction line (A) and discharge line (B) from the compressor.
Tightening torque :
8.8 ~ 11.8 N.m ( 0.9 ~ 1.2 kgf.m, 6.5 ~ 8.7 Ib-ft)
   
•
Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

12.
Install in the reverse order of removal.
   
•
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 injection
Engine
Specified amount
Theta 2.4 GDI
575 ± 20 g (20.2 ± 0.70 oz.)
Theta 2.0 T-GDI
/ Gamma 1.6 T-GDI
525 ± 20 g (18.5 ± 0.70 oz.)

Refrigerant Line Components and Components Location
Components Location 1. Refrigerant Line2. Comperssor ...

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