Hyundai Elantra: Air Conditioning System / Refrigerant Line Repair procedures

Hyundai Elantra AD (2016-2020) 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).

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 Ib-ft)

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 Ib-ft)

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

8.	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 Ib-ft)

•	Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

10.

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 Ib-ft)

11.	Remove the refrigerant line assembly (A) to the upper of engine room.

12.

To install, reverse the removal procedure.

•	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.)

Refrigerant Line Components and Components Location

Components Location 1. Refrigerant Line Assembly ...

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 ...

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