Hyundai Ioniq (AE): Air Conditioning System / Receiver-Drier. Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Receiver-Drier. Repair procedures

Replacement
1.
Remove the condenser.
2.
Remove the cap (A) on the bottom of the condenser with a L wrench.

Tightening torque :
9.81 - 14.71 N.m (1.0 - 1.5 kgf.m, 7.2 - 10.8 lb-ft)
3.
Remove the receiver-drier (A) from condenser using a long nose plier. Check for crumbled receiver-drier and clogged bottom cap filter.

4.
Apply air conditioning compressor oil along the O-rings and threads of the new bottom cap.
5.
Insert a new receiver-drier into the receiver drier tank. The receiver-drier must be sealed in vacuum before it is exposed to air for use.
6.
Install a new bottom cap to the condenser.
   
•
Always replace the receiver-drier and bottom cap at the same time.
•
Be careful not to damage the radiator and condenser fins when installing the condenser.
•
Charge the system, and test its performance.
•
Replace the O-rings (A) with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings (A) for R-1234yf to avoid leakage.

   
•
If the POE oil of the system gets mixed with PAG oil, then dielectric breakdown due to decreased volumetric resistivity can occur and inoperative A/C compressor may result, A/C compressor may not work.

    Inspection1.Check the condenser fins for clogging and damage. If clogged, clean them with water, and blow them with compressed air. If bent, gently bend them using a screwdriver or pliers.

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