Hyundai Venue (QX): Air Conditioning System / Refrigerant Line. Repair procedures

Hyundai Venue (QX) (2020-2026) 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.
(Refer to Engine Mechanical Assembly - "Engine Cover")
5.
Remove the cowl top cover.
(Refer to Body - "Cowl Top Cover")
6.
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)
Hyundai Venue. Refrigerant Line. Repair procedures   
•
Immediately after disconnecting the line, protect the system from moisture and dust by plugging or capping.
•
When refitting, replace the O-ring with a new one.

Hyundai Venue. Refrigerant Line. Repair procedures
7.
Remove the 2 nuts, and then disconnect the discharge line (B) and liquid line (A) from the condenser.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 Ib-ft)

Hyundai Venue. Refrigerant Line. Repair procedures
8.
Press the lock pin and separate the A/C pressure transducer connector (A).

Hyundai Venue. Refrigerant Line. Repair procedures
9.
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)
Hyundai Venue. Refrigerant Line. Repair procedures   
•
Immediately after disconnecting the line, protect the system from moisture and dust by plugging or capping.

Hyundai Venue. Refrigerant Line. Repair procedures
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 suction & liquid tube assembly (A) to the upper of engine room.

Hyundai Venue. Refrigerant Line. Repair procedures
12.
To install, reverse the removal procedure.
Hyundai Venue. Refrigerant Line. Repair procedures   
•
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.
Specified amount
R-134a : 450 ± 25g (15.9 ± 0.88oz.)
R-1234yf : 450 ± 25g (15.9 ± 0.88oz.)

    Components Location 1. Suction & Liquid tube assembly

    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.

    Other information:

    Hyundai Venue (QX) (2020-2026) Service Manual: Components and components location

    Component Location [Engine Room] 1. Condenser 2. Discharge hose 3. Suction & Liquid tube assembly 4. Compressor 5. Service port (High pressure) 6. A/C Pressure transducer (APT) 7. Service port (Low pressure) 8.

    Hyundai Venue (QX) (2020-2026) Service Manual: A/C Pressure Transducer. Description and operation

    Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.

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