• Engine coolant is used for circulating heat in order to heat and cool the transaxle oil.
• Prevents over heating of the transaxle oil while the vehicle is moving.

Oil CoolerHyundai Tucson (NX4) 2022-2026 Service Manual: Lumber Support System
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the front seat back cover.(Refer to Body - "Front Seat Back Cover")
3.Disconnect motor connecotor (A).
4.Remove the front side airbag (A).
5.Remove the lumber support cable bracket after loosening mounting screws.
6.R ...
Hyundai Tucson (NX4) 2022-2026 Service Manual: Fuel Pressure Test
- Fuel Pressure Test
1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")
• When removing the fuel pump relay, the Diagnostic Trouble Code
(DTC) will be occurred. Therefore delete the code with the diagnosti ...