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:
DPF Differential Pressure Sensor (DPS)
Description
Differential Pressure Sensor (DPS) is measure the pressure difference of EGR
inlet and outlet.
Circuit Diagram
Harness Connector
Removal
Turn the ignition swtich OFF, and then disconnect the battery negative
(-) t
Refrigerant System Service Basics (R- 134a)
Refrigerant Recovery
Use only service equipment that is U.L-listed and is certified to meet the
requirements of SAE J2210
to remove HFC-134a(R-134a) from the air conditioning system.
WARNING
Air conditioning refrigerant or lubricant vapor ca
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual