Hyundai Tucson: 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 control actuator LH
- Heater case LH
- Vent door assembly LH
- Vent door assembly RH
- Auto defogging actuator
- Mode control actuator RH
- Foot door LH
- Foot door RH
- Heater case RH
- Temperature control actuator RH
- Temperature door assembly LH
- Console seal duct
- Console door assembly
- Temperature door assembly RH
- Heater blind case
- Heater NVH pad
- PTC heater
- Aspirator hose assembly
- Heater lower case
- Drain hose assembly
READ NEXT:
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
Driver side temperature control actuator / Passenger side temperature
control actuator
Component Location
Driver side temperature control actuator
Passenger side temperature control actuator
Inspection
Turn the ignition switch OFF.
Disconnect the temperature control actuator connector.
Verify that the temperature c
SEE MORE:
Troubleshooting
Trouble symptom/ Suspected area/ Remedy
Abnormal noise
Oil level (Low)
Add oil after inspecting the
parts, (oil seal, drain plug, filler
plug)
Oil (Wrong or contaminated)
Replace the oil.
Transaxle and engine mounting
Clutch Actuator & TCM- Assembly Replacement
WARNING
In principle, the Dual Clutch Transmission (DCT) oil is not changed
under normal driving conditions.
However, under harsh driving conditions, it must be changed every 80,000 miles.
Harsh driving conditions are as follows:
Frequent
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual