Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the battery.
(Refer to Engine Electrical System - "BATTERY ")
Remove the air cleaner assembly and air intake hose.
(Refer to Engine Mechanical System - "AIR CLEANER ")
Remove the engine wiring.
1. Disconnect the OCV connector (A) and EWGA extension connector (B).
  
  Fig 1: Locating OCV Connector And EWGA Extension Connector
  Courtesy of KIA MOTORS AMERICA, INC.
2. Remove the engine wiring mounting bolts and then remove the engine wiring harness (A).
  
  Fig 2: Locating Engine Wiring Harness
  Courtesy of KIA MOTORS AMERICA, INC.
Remove the vacuum pipe mounting bolts and make a gap by moving the bracket.
Disconnect the engine coolant temperature sensor connector.
Remove the engine coolant temperature sensor (A).

Fig 3: Locating Engine Coolant Temperature Sensor
Courtesy of KIA MOTORS AMERICA, INC.

CAUTION: Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
Fill with engine coolant.
(Refer to Engine Mechanical System - "COOLANT ")