Hyundai Kona: Heater / Evaporator Core Repair procedures

Hyundai Kona (OS) 2018-2020 Service Manual / Heating, Ventilation and Air Conditioning / 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.	Remove the evaporator core cover (A) after loosening the mounting screws.

4.	Pull out the evaporator core cover (A) from the heater unit.

5.	Remove the evaporator temperature sensor (A) from the evaporator core.

To install, reverse the removal procedure.

•	If you're 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 or 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 the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil contacts 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.

PTC Heater Repair procedures

Inspection Operating Logic Test (Manual only) Inspect the PTC operation by confirmation logic as follows; 1. Entering (1) ...

Temperature Control Actuator Components and components location

Components Location 1. Temperature control actuator ...

Other information:

Hyundai Kona (OS) 2018-2020 Owners Manual: Auto stop
To stop the engine in idle stop mode Manual transmission vehicle 1. Decrease the vehicle speed to 5 km/h (3 mph). 2. Set the gear in N (Neutral). 3. Release the clutch pedal. The auto stop indicator () illuminates in green on the instrument cluster, when the engine stops. Information The driving s ...

Hyundai Kona (OS) 2018-2020 Service Manual: 4WD ECU Description and operation
Description 4WD ECU processes signals from various sensors and determines the current road and driving conditions. The ECU then utilizes this information to implement precision control over the 4WD coupling's multi-plate clutch and variably adjust the amount of torque de ...