• Be careful not to damage the parts located under the vehicle (floor under cover, fuel filter, fuel tank and canister) when raising the vehicle using the lift.(Refer to General Information - "Lift and Support Points")
1.Disconnect the battery negative terminal.
2.Remove the air cleaner assembly.(Refer to Intake and Exhasut System - "Air Cleaner")
3.Drain the coolant.(Refer to Cooling System - "Coolant")
4.Remove the front bumper assembly.(Refer to Body (Interior and Exterior) - "Front Bumper Assembly")
5.Remove the air intake shield (A).
Tightening torque :7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

6.Remove the radiator upper air guard (A).
Tightening torque :3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)

7.Remove the radiator side air guard (A).
Tightening torque :3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)


8.Remove the front bumper beam assembly.(Refer to Body (Interior and Exterior) - "Front Bumper Beam Assembly")
9.Remove the radiator mounting bracket (A).
Tightening torque :7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)


10.Disconnect the radiator upper hose (A) and degassing hose (B) from radiator.

11.Loosen the A/C pipe mounting bolt (A).
Tightening torque :4.9 - 7.8 N.m (0.5 - 0.8 kgf.m, 3.6 - 5.8 lb-ft)

12.Disconnect the radiator lower hose (A).

13.Disconnect the ATF cooler hose (A).

14.Remove the cooling fan & radiator assembly (A).

15.Remove the cooling fan (A).

16.Install in the reverse order of removal.
17.Fill engine coolant.(Refer to Cooling System - "Coolant")
• When changing the coolant and draining air, be sure to follow the filling instructions of the Integrated Thermal Management Module (ITM).
18.Check the coolant leakage by starting up the engine.
19.Recheck the coolant level.
1.Remove the radiator cap, wet its seal with engine coolant, and then install it on a pressure tester. (SST 0K253 - P4200)

2.Apply a pressure of 125.52 - 154.94 kPa (1.28 - 1.58 kgf/cm², 18.21 - 22.47 psi).
3.Check for a drop in pressure.
4.If the pressure drops, replace the cap.
Coolant
Cooling FanHyundai Tucson (NX4) 2022-2026 Owner's Manual: ESC operation
ESC ON condition
When the ignition switch is in the ON
position, ESC and the ESC OFF indicator
lights illuminate for about three seconds.
After both lights go off, ESC is enabled.
When operating
When ESC is operating, the ESC
indicator light blinks:
When you apply your brakes under ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Rear Occupant Alert
Description and Operation
- Description
The system detects the passenger in the vehicle and prevents the driver
from getting off the vehicle with the passenger in the back.
– 1st warning: If you open the driver's door after you open and then
close the rear passenger and turn the engine ...