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 Service Manual: Rear Door Side Weatherstrip
- Replacement
[Rear door side weatherstrip]
1.Loosen the rear door checker (B) mounting bolt.Tightening torque :16.7 - 21.6 N.m (1.7 - 2.2 kgf.m, 12.3 - 15.9 lb-ft)
2.Detach the clips, then remove the rear door side weatherstrip (A).
3.To install, reverse removal procedure.
[Rear door bod ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Description and Operation
- Description
The immobilizer system will disable the vehicle unless the proper
ignition key is used, in addition to the currently available anti-theft
systems such as car alarms, the immobilizer system aims to drastically
reduce the rate of auto theft.1.Transponder (TP) – IMMO ECU Commun ...