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

Hyundai Ioniq (AE) 2017-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Receiver-Drier. Repair procedures

Replacement

1.	Remove the condenser.

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.

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.

Condenser. Repair procedures

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...

A/C Pressure Transducer. Description and operation

DescriptionThe 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...

Other information:

Hyundai Ioniq (AE) 2017-2025 Service Manual: Photo Sensor. Description and operation

Description The photo sensor is located at the center of the defrost nozzles.The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is transferred to the automatic temperature control module so that the solar radiation compensation will be performed...

Hyundai Ioniq (AE) 2017-2025 Service Manual: Brake Switch. Specifications

Specification Item Brake Pedal Release Brake Pedal Push Switch 1Max. 0.5VBattery VoltageSwitch 2IG OFFMax. 50 mVIG ONBattery VoltageMax. 0.5V Items Specification Gap [mm (in)]1...