Hyundai Palisade: Air conditioning System / Refrigerant Line

Hyundai Palisade (LX2) 2020-2024 Service Manual / Heating,Ventilation And Air Conditioning / Air conditioning System / Refrigerant Line

Components and components location
Components
[Isometric view]

Hyundai Palisade. Components and components location

1. Front suction & Liquid pipe assembly


[Top view]

Hyundai Palisade. Components and components location

1. Front suction & Liquid pipe assembly


Repair procedures
Replacement
[Front suction & Liquid pipe assembly]
1.
If a compressor is available, the air conditioner is operated for a few minutes in the engine idle state and then the engine is stopped.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery/charging station.
4.
Remove the engine cover.
(Refer to Engine Mechanical System - "Engine Cover")
5.
Loosen the mounting nut and remove the expansion valve cover (A).
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

6.
Loosen the mounting bolts and separate the expansion valve (A) fron evaporator core.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

7.
Loosen the mounting nuts and separate the suction line (A), discharge line (B).
Tightening torque :
19.6 - 23.5 N.m (2.0 - 2.4 kgf.m, 14.5 - 17.4 lb-ft)

Hyundai Palisade. Repair procedures

8.
Press the lock pin and separate the APT (Air conditioning Pressure Transducer) sensor connector (A).

Hyundai Palisade. Repair procedures

9.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
10.
Remove the engine mounting braket.
(Refer to Engine Mechanical System - "Engine Mounting")
11.
Separate the compressor suction line (A) and discharge line (B) connection nuts and disconnect the line.
Tightening torque :
20.9 - 31.2 N.m (2.1 - 3.2 kgf.m, 15.4 - 23.0 lb-ft)
Hyundai Palisade. Repair procedures   
Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.
(Refer to General Information - "Lift and Support Points")

Hyundai Palisade. Repair procedures

12.
Loosen the mounting bolts, nuts and remove the engine room under cover [RH] (A).
Tightening torque
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

13.
Remove the refrigerant pipe line mounting nuts and braket bolt.
Tightening torque :
Nut : 8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)
Bolt : 7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures

14.
Loosen the mounting bolt and remove the Front suction & Liquid pipe assembly (A).
Tightening torque :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures

15.
To install, reverse removal procedure.
Hyundai Palisade. 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.
[Rear Suction & Liquid Pipe Assembly]
1.
If a compressor is available, the air conditioner is operated for a few minutes in the engine idle state and then the engine is stopped.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery/charging station.
4.
Remove the rear wheel guard [RH].
(Refer to Body - "Rear Wheel Guard")
5.
Loosen the mounting nuts and separate the suction line, discharge line (A).
Tightening torque :
19.6 - 23.5 N.m (2.0 - 2.4 kgf.m, 14.5 - 17.4 lb-ft)

Hyundai Palisade. Repair procedures

6.
Loosen the mounting bolts, nuts and remove the engine room under cover [RH] (A).
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

7.
Remove the refrigerant pipe line mounting nuts.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m, 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

8.
Loosen the mounting bolt and remove the Rear suction & Liquid pipe assembly (A).
Tightening torque :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures

9.
To install, reverse removal procedure.
Hyundai Palisade. 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.

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