Kia Sorento: Heater Unit Replacement

Second Generation XM (2011-2025) / Kia Sorento XM 2011-2025 Service Manual / Heating,Ventilation And Air Conditioning / Heater / Heater Unit 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 expansion valve cover (A).

Remove the expansion valve (A) from the evaporator core.

Tightening torque :

7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 Ib-ft)

•	Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.

•	When installing, replace with a new O-ring (B).

Disconnect the inlet (A) and outlet (B) heater hoses from the heater unit.

Engine coolant will run out when the hoses are disconnected; drain it into a clean drip pan. Be sure not to let coolant spill on electrical parts or painted surfaces. If any coolant spills, rinse it off immediately.

7.	Remove the cowl top cover. (Refer to Body - "Cowl Top Cover")

8.	Remove the front pillar trim. (Refer to Body - "Interior Trim")

9.	Remove the front seat assembly. (Refer to Body - "Front Seat")

10.	Remove the console assembly. (Refer to Body - "Console")

11.	Remove the shift lever assembly. (Refer to Automatic Transaxle Control System - "Shift lever")

12.	Remove the cowl side trim. (Refer to Body - "Interior Trim")

13.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad")

14.	Remove the steering column shroud panel. (Refer to Body - "Steering Column Shroud Panel")

15.	Lower the steering column after loosening the mounting bolts. (Refer to Steering System - "Steering Column and Shaft")

16.	Remove the glove box housing. (Refer to Body - "Crash Pad")

17.	After loosening the mounting bolt, then remove the rear airduct (A). [LH] [RH]

18.	Disconnect the airbag control module (SRSCM) connector (A).

19.	Disconnect the passenger compartment junction box connectors (A).

20.	Disconnect the multi box connectors (A). [Driver's side] [Passenger's side]

21.	Disconnect the connector (A) and the mounting clips in the front pillar. [Driver's side] [Passenger's side]

22.	After loosening the mounting bolts, remove the reinforce panel (A).

23.	After loosening the nuts and bolts remove the main crash pad (B) and cowl cross bar assembly (B) together.

24.	Loosen the drain hose fixing clip under the vehicle.

25.	Disconnect the heater unit connectors.

26.	Remove the heater and blower unit from the crash pad after loosening the mounting nuts.

27.	Separate the blower unit from the heater unit after loosening the screws.

28.	Install in the reverse order of removal.

Heater Unit Components

1. Heater Case 2. B Pillar Case 3. Shower Duct 4. PTC Heater 5. Heater Core 6. Heater Core Cover 7. Mode Actuator 8. Mode Bracket 9. Mode Lever Main 10. Def D ...

Heater Core Replacement

1. Disconnect the negative (-) battery terminal. 2. Remove the heater and blower assembly. (Refer to Heater -"Heater Unit") ...

Kia Sorento: Heater Unit Replacement

Heater Unit Components

Heater Core Replacement

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