Repair Procedures: Removal

Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
Remove the air cleaner assembly and air intake hose.
(Refer to Engine Mechanical System - "AIR CLEANER ")
Remove the engine wiring.
1. Disconnect the OCV and WGV extension connector (A).
  
  Fig 1: Locating OCV And WGV Extension Connector
  Courtesy of KIA MOTORS AMERICA, INC.
2. Disconnect the ignition coil connector (A).
3. Disconnect the CMPS connector (B).
4. Disconnect the FPCV connector (C).
5. Disconnect the PCSV connector (D).
6. Remove the engine wiring mounting bolts (E) and then remove the engine wiring harness (F).
Fig 2: Locating Connectors, Engine Wiring Mounting Bolts And Engine Wiring Harness
Courtesy of KIA MOTORS AMERICA, INC.
Remove the vacuum pipe mounting bolts (A) and make a gap by moving the bracket.
Disconnect the engine coolant temperature sensor connector (B).
Remove the engine coolant temperature sensor (C).

Fig 3: Locating Engine Coolant Temperature Sensor, Connector And Vacuum Pipe Mounting Bolts
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 ")