Hyundai Palisade: Heater / Heater Unit

Hyundai Palisade (LX2) 2020-2024 Service Manual / Heating,Ventilation And Air Conditioning / Heater / Heater Unit

Components and components location
Component Location

Hyundai Palisade. Components and components location

1. Heater unit assembly


Components

Hyundai Palisade. Components and components location

1. Heater core assembly
2. Heater unit pad
3. Heater lower cover
4. Drain hose
5. Heater blind case
6. Heater case [RH]
7. Temperature actuator [RH]
8. Heater case [LH]
9. FOOT Door assembly
10. Temperature door assembly
11. Mode actuator
12. PTC Heater
13. Vent door assembly [LH]
14. Vent door assembly [RH]
15. DEF Door assembly
16. Heater unit pad
17. Heater pipe cover
18. Temperature actuator [LH]
19. Duct seal assembly
21. Evaporator assembly

Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Recover the refrigerant with a recovery/recycling/charging station.
3.
When the engine is cool, drain the engine coolant from the radiator.
(Refer to Engine Mechanical System - "Coolant")
4.
Remove the cowl top cover.
(Refer to Body - "Cowl Top Cover")
5.
Loosen the mounting nut and remove the expension valve cover (A).
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m , 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

6.
Loosen the mounting bolts and separate the expension valve (A) from the evaporator core.
Tightening torque :
8.8 - 13.7 N.m (0.9 - 1.4 kgf.m , 6.5 - 10.1 lb-ft)

Hyundai Palisade. Repair procedures

7.
Separate the heater hose (A).

Hyundai Palisade. Repair procedures

8.
Loosen the cowl cross bar assembly mounting bolts.

Hyundai Palisade. Repair procedures

9.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
10.
Remove the floor console assembly.
(Refer to Body - "Floor Console Assembly")
11.
Remove the front pillar trim.
(Refer to Body - "Front Pillar Trim")
12.
Remove the cowl side trim.
(Refer to Body - "Cowl Side Trim")
13.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
14.
Remove the crash pad center panel.
(Refer to Body - "Crash Pad Cener Panel")
15.
Remove the steering column shroud lower panel.
(Refer to Body - "Steering Column Shroud Panel")
16.
Remove the steering wheel.
(Refer to Steering System - "Steering Wheel")
17.
Remove the multifunction switch.
(Refer to Body Electrical System - "Multifunction Switch")
18.
Lower the steering column after loosening the mounting bolts.
(Refer to Steering System - "Steering Column and Shaft")
19.
Remove the front door scuff trim.
(Refer to Body - "Door Scuff Trim")
20.
Remove the shift lever assembly.
(Refer to Automatic Transaxle System - "Shift Lever")
21.
Remove the accelerator pedal.
(Refer to Engine Control/Fuel System - "Accelerator Pedal")
22.
Separate the floor carpet (A) to obtain space for removing the rear heating duct.

Hyundai Palisade. Repair procedures

23.
Loosen the mounting nuts and remove the rear heating duct (A).

Hyundai Palisade. Repair procedures

24.
Disconnect the junction box connectors (A).

Hyundai Palisade. Repair procedures

25.
Disconnect the multi box connectors (A).
[LH]

Hyundai Palisade. Repair procedures

[RH]

Hyundai Palisade. Repair procedures

26.
Disconnect the multi box connectors (A).
[LH]

Hyundai Palisade. Repair procedures

[RH]

Hyundai Palisade. Repair procedures

27.
Remove the drain hose (A).

Hyundai Palisade. Repair procedures

28.
Remove the lower mounting bolt of the blower unit.
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m , 2.9 - 4.3 lb-ft)
[LH]

Hyundai Palisade. Repair procedures

[RH]

Hyundai Palisade. Repair procedures

29.
After loosening the bolts and nuts remove the crash pad and heater & blower unit assembly (A) together.

Hyundai Palisade. Repair procedures

30.
Disconnect the heater & blower unit connectors.
(1)
Loosen the mounting nuts, screws and remove the Surround view monitoring (SVM) unit (A).

Hyundai Palisade. Repair procedures

(2)
Separate the auto defoging actuator connector(A), evaporator sensor connector(B), temperature control actuator connector (C).

Hyundai Palisade. Repair procedures

(3)
Separate the temperature control actuator [RH] connector (A), power mosfet connector (B).

Hyundai Palisade. Repair procedures

(4)
Separate the blower motor connector (A) and loosen the mounting clip.

Hyundai Palisade. Repair procedures

(5)
Separate the intake actuator connector (A) , cluster ionizer connector (B) , mode actuator connector (C).

Hyundai Palisade. Repair procedures

31.
Loosen the heater & blower unit mounting bolt (A).
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m , 2.9 - 4.3 lb-ft)

Hyundai Palisade. Repair procedures

32.
Loosen the mounting nuts and remove the heater & blower unit (A) from the crash pad.
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m , 2.9 - 4.3 lb-ft)

Hyundai Palisade. Repair procedures

33.
Loosen the mounting screw and separate the heater unit (A) from the blower unit (B).
Tightening torque :
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m , 2.9 - 4.3 lb-ft)

Hyundai Palisade. Repair procedures

Hyundai Palisade. Repair procedures

34.
Install in the reverse order of removal.
Hyundai Palisade. Repair procedures   
Replace any damaged clips (or retainers or fasteners).
Make sure the hood latch release cable is connected properly.

    Heater

    ..

    Heater Core

    Repair procedures Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly...

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    Hyundai Palisade. Operate?

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