Hyundai Sonata: 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 ...

Compressor Description and Operation
Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of the engine. The compressor changes low pressure and low tempera ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: To set Smart Cruise Control speed
1. Push the CRUISE button on the steering wheel to turn the system on. The CRUISE indicator will illuminate. 2. Accelerate to the desired speed. The Smart Cruise Control speed can be set as follows: 20 mph (30 km/h)~110 mph (180 km/h): when there is no vehicle in front 0 mph (0 km/h)~110 mph (1 ...

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures
On-vehicle Inspection Inspect ignition coil assembly and Perform spark test 1. Check for DTCs.     • If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (Refer to DTC guide) 2. Check if sparks occur. (1) Remove the engi ...

© 2018-2022 www.hsonatalf.org