Hyundai Tucson (NX4) 2022-2025 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 ...

Hyundai Tucson (NX4) 2022-2025 Service Manual: Heater Core
- Replacement 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 ord ...