1.Disconnect the negative (-) battery terminal.
2.Remove the heater and blower assembly.(Refer to Heater - "Heater Unit")
3.Loosen the mounting screws and remove the heater core cover (A).

4.Separate the heater core (A) from the heater unit.


5.Install in the reverse order of removal.
• Refill the cooling system with engine coolant.
• Do not interchange the inlet and outlet heater hoses and install the hose clamps securely.
• Make sure that there is no air leakage.
• Charge the system and test its performance.
Heater Unit
Evaporator CoreHyundai Tucson (NX4) 2022-2026 Owner's Manual: Reverse Parking Collision-Avoidance Assist (PCA)
Reverse Parking Collision-Avoidance
Assist uses the wide-rear view camera
and rear ultrasonic sensors to help detect
pedestrians or objects when backing
up. The function may warn you or assist
you with braking to help reduce the
possibility of a collision when backing
up.
Information
...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Troubleshooting
- Troubleshooting
SymptomPossible causeCountermeasure
Wind noise around the doorArise the gap on weatherstripReplace weatherstrip
Water leaks from panorama sunroofMiss install of panorama sunroof frame weather strip and deformingReplace
seal breakageFill with sealant
Wind noise on Panorama Su ...