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Hyundai Tucson: Heater

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Heating, Ventilation and Air Conditioning (HVAC) / Heater

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 Heater unit assembly

Component Location Heater unit assembly Components Heater unit assembly Heater core cover Heater core assembly Mode control actuator LH DEF duct seal Evaporator assembly Flange seal Heater NVH pad Temperature contro

 Heater - Replacement

Disconnect the negative (-) battery terminal. Recover the refrigerant with a recovery/recycling/charging station. (Refer to Air conditioning System - "Repari procedures") When the engine is cool, drain the engine coolant from the r

 Heater - Inspection

Operating Logic Test (Manual only) Inspect the PTC operation with the confirmation logic below : Entering (1) Set the mode to FLOOR. (2) Set the temperature to MAX HOT. (3) Turn off the blower switch. (4) Press the intake (recirculat

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 Fuel Filler Door

Component Location Fuel filler door release actuator Inspection Disconnect the negative (-) battery terminal. Remove the fuel filler housing after opening the fuel filler door. (Refer to Body - "Fuel Filler Door") Dis

 Piston Pin - Reassembly

WARNING Thoroughly clean all parts to assembled. Before installing the parts, apply fresh engine oil to all sliding and rotating surfaces. Always use new gaskets, O-ring and oil seals. Install the crankshaft position sensor wheel

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