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 ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Transaxle Oil Temperature Sensor Description and Operation
Description • Transaxle oil temperature sensor monitors the automatic transaxle fluid's temperature and conveys the readings to TCM. • It is an NTC (Negative Thermal Coefficient) sensor whose resistance has an inversely proportional relationship with the temperature level. � ...

Hyundai Elantra AD (2016-2020) Owners Manual: Maintenance Under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under severe driving conditions. Refer to the chart below for the appropriate maintenance intervals. I : Inspect and if necessary, adjust, correct, clean or replace. R : Replace or change. Severe Driving Conditions ...