Kia Sorento: Refrigerant Line Removal and Installation

Kia Sorento (MQ4, 2021-2026) Service Manual / Heating,Ventilation And Air Conditioning / Air Conditioning System / Refrigerant Line Removal and Installation

Removal

Suction & liquid hose assembly

If the air conditioner is operational, run it for a few minutes.

1.	Disconnect the battery negative ( - ) terminal.

2.	Recover refrigerant by using the refrigerant recovery/recycling/charging machine. (Refer to Air conditioning System - "Refrigerant Recovery/Recycling/Charging/Vacuum/Leak Test")

3.	Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

4.	Remove the engine mounting bracket. (Refer to Engine Mechanical System - "Engine Mounting")

Separate the expansion valve (A) after removing the bolts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

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

Separate the suction & liquid hose assembly (A) after removing the nut.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Separate the engine ground cable (A) after removing the bolt.

Tightening torque :

10.8 - 13.7 N·m (1.1 - 1.4 kgf·m, 8.0 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Separate the suction & liquid hose assembly (A) after removing the bolt.

Tightening torque :

21.6 - 32.4 N·m (2.2 - 3.3 kgf·m, 15.9 - 23.9 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

10.

Separate the rear suction & liquid hose assembly (A) after removing the nuts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

11.

Remove the rear suction & liquid hose assembly bracket (A) after removing the bolt and nuts.

Tightening torque :

9.8 - 14.7 N·m (1.0 - 1.5 kgf·m, 7.2 - 10.8 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

12.

Remove the suction & liquid hose assembly (A) after removing the bolt and nut.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Rear Suction & Liquid Hose Assembly

If the air conditioner is operational, run it for a few minutes.

1.	Recover refrigerant by using the refrigerant recovery/recycling/charging machine. (Refer to Air conditioning System - "Refrigerant Recovery/Recycling/Charging/Vacuum/Leak Test")

2.	Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

3.	Remove the rear wheel guard. (Refer to Body - "Rear Wheel Guard")

Separate the rear suction & liquid hose assembly (A) after removing the nuts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Separate the rear suction & liquid hose assembly (A) after removing the bolts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Separate the rear suction & liquid hose assembly (A) after removing the nuts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Remove the rear suction & liquid hose assembly (A) after removing the bolts.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Discharge Hose

1.	If the compressor is operable, run the engine at idle speed, and let the air conditioner operates for a few minutes, then shut the engine off.

2.	Recover refrigerant by using the refrigerant recovery/recycling/charging machine. (Refer to Air conditioning System - "Refrigerant Recovery/Recycling/Charging/Vacuum/Leak Test")

3.	Remove the engine room under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover")

Separate the discharge hose (A) after removing the nut.

Tightening torque :

8.8 - 13.7 N·m (0.9 - 1.4 kgf·m, 6.5 - 10.1 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Remove the discharge hose (A) after removing the bolts.

Tightening torque :

21.6 - 32.4 N·m (2.2 - 3.3 kgf·m, 15.9 - 23.9 lb·ft)

Heating,Ventilation And Air Conditioning — Air Conditioning System / Refrigerant Line / Removal and Installation / Removal illustration

Installation

Install in the reverse order of removal.

•	Be sure to inject the specified refrigerant and refrigeration oil by using the refrigerant recovery/charging equipment dedicated.

•	Perform the refrigerant leak test/vacuum/charging by using the refrigerant recovery/recycling/charging machine. (Refer to Air conditioning System - "Refrigerant Recovery/Recycling/Charging/Vacuum/Leak Test")

•	Perform the compressor oil inspection. (Refer to Air conditioning System - "Compressor Oil")

Compressor Oil Inspection

Oil inspection • Compressor oil is used to lubricate the compressor. • ...

Compressor Removal and Installation

Removal ...

Kia Sorento: Refrigerant Line Removal and Installation

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