Kia Stinger: Air Conditioning System / Evaporator Core

Kia Stinger CK 2018-2023 Service Manual / Heating, Ventilation And Air Conditioning / Air Conditioning System / Evaporator Core

Repair procedures

Disconnect the negative (-) battery terminal.


Remove the heater unit.

(Refer to Heater - "Heater Unit")


Remove the heater unit lower case (A) after loosening the screws.


Remove the evaporator core (A) from the heater unit.


Be careful not to bend the inlet and oulet pipes when removing or installing the heater core and evaporator core.


Install in the reverse order of removal.


When installing a new heater core, add refrigerant oil (PAG OIL).

Replace the O-rings 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 for R-134a, R-1234yf to avoid leakage.

Immediately after using the oil, replace the cap on the container, and seal it to avoid moisture absorption.

Do not spill refrigerant oil on the vehicle as it may damage the paint. If refrigerant oil comes in contact with the paint, wash it off immediately.

Apply sealant to the grommets.

Make sure that there is no air leakage.

Charge the system and test its performance.

Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.

Refill the cooling system with engine coolant.

A/C Pressure Transducer
Description and operation Description A/C pressure transducer measures the pressure in high pressure line and converts it into voltage. Based on the converted voltage, engine ECU contr ...

Evaporator Temperature Sensor
Description and operation Description The evaporator temperature sensor detects the evaporator core temperature and interrupts compressor relay power in order to prevent evaporator fro ...

Other information:

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Kia Stinger CK 2018-2023 Service Manual: RCV Control Solenoid Valve

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