Hyundai Kona: Heater / Heater Core Repair procedures

Hyundai Kona (OS) 2018-2026 Service Manual / Heating, Ventilation and Air Conditioning / Heater / Heater 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 heater core cover (A) after loosening the mounting screws.

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

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.

Heater Unit Repair procedures

Replacement • When prying with a flat-tip screwdriver or use a ...

PTC Heater Description and operation

Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC ...

Other information:

Hyundai Kona (OS) 2018-2026 Owners Manual: Checking the amount of air conditioner refrigerant and compressor lubricant
When the amount of refrigerant is low, the performance of the air conditioning is reduced. Overfilling also reduces the performance of the air conditioning system. Therefore, if abnormal operation is found, we recommend that the system be inspected by an authorized HYUNDAI dealer. WARNING Vehicles ...

Hyundai Kona (OS) 2018-2026 Owners Manual: If you decide to pull a trailer?
Here are some important points if you decide to pull a trailer: Consider using a sway control.You can ask a trailer hitch dealer about sway control. Do not do any towing with your vehicle during its first 2,000 km (1,200 miles) in order to allow the engine to properly break in. Failure to hee ...