Kia Optima DL3: Heater / Evaporator Core

Repair procedures

Replacement
1.

Disconnect the negative (-) battery terminal.

2.

Remove the heater and blower assembly.

(Refer to Heater - "Heater Unit")

3.

Loosen the mounting screws, lock pin and remove the evaporator core cover (A).

4.

Remove the evaporator cover (A) from heater unit.

  

Be careful that the inlet and outlet pipe are not bent during heater core and evaporator core removal/installation.

5.

Separate the evaporator temperature sensor (A) from the evaporator core.

6.

To install, reverse the removal procedure.

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly.

    Components and components location Components Location 1. Temperature control actuator [LH] 2. Temperature control actuator [RH] Description and operation Description The temperature control actuator is located at the heater unit.

    Other information:

    Kia Optima DL3 2019-2026 Service and Repair Manual: In-car Sensor

    Description and operation Description The In-car air temperature sensor is built in the heater & A/C control unit. The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater co

    Kia Optima DL3 2019-2026 Service and Repair Manual: Cluster Ionizer

    Components and components location Components Location 1. Condenser Description and operation Description The cluster ionizer makes disinfection and decomposition of bad smell from the air-conditioner or inflow air.

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