Removal And Installation

WARNING: This page is about a different car, the 2021 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the battery negative terminal.
Remove the engine room under cover.
(Refer to Engine and Transaxle Assembly - "ENGINE ROOM UNDER COVER ")
Drain the Coolant.
(Refer to Cooling System - "COOLANT ")
Remove the air cleaner assembly.
(Refer to Intake and Exhaust System - "AIR CLEANER ")
Disconnect the wiring connectors and harness clamps and remove the connector brackets around the water temperature assembly.

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the radiator upper hose (A).

Courtesy of KIA MOTORS AMERICA, INC.
Disconnect the heater hoses (A).

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Disconnect the bypass hose (A) and the throttle body coolant hose (B).

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Remove the water temperature control assembly (A) with the O-ring.
Tightening torque:

9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

Courtesy of KIA MOTORS AMERICA, INC.
NOTE:
- Install a new O-ring.
- Clean surface on the O-ring and install the O-ring after wetting with water.
Install in the reverse order of removal.
Fill the engine coolant.
(Refer to Cooling System - "COOLANT ")
Start engine and check for leaks.
Recheck engine coolant level.