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Kia Sorento: Engine Coolant temperature sensor (ECTS) Removal and Installation - Engine Control System - Engine Control / Fuel SystemKia Sorento: Engine Coolant temperature sensor (ECTS) Removal and Installation

Kia Sorento (MQ4, 2021-2026) Service Manual / Engine Control / Fuel System / Engine Control System / Engine Coolant temperature sensor (ECTS) Removal and Installation

Removal
Engine Coolant Temperature Sensor (ECTS) - ITM
1.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
2.
Disconnect the Engine Coolant Temperature Sensor (ECTS) connector (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

3.
Remove the ECTS (B) after removing the fixing clip (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

Engine Coolant Temperature Sensor (ECTS) - Water pump
1.
Remove the engine room under cover.
(Refer to Engine Mechanical System - "Engine Room Under Cover")
2.
Disconnect the Engine Coolant Temperature Sensor (ECTS) connector (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

3.
Remove the ECTS (A) after removing the mounting bolt.
Tightening torque :
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

Engine Coolant Temperature Sensor (ECTS) - Cylinder block
1.
Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
2.
Remove the injector foam (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

3.
Disconnect the Engine Coolant Temperature Sensor (ECTS) connector (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

4.
Remove the ECTS (A) after removing the mounting bolt.
Tightening torque :
9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Removal illustration

Installation
1.
Install in the reverse order of removal.
Note
•
Install the Engine Coolant Temperature Sensor (ECTS) to the specified torque.
•
If the ECTS is dropped, it may cause internal damage. (Do not reuse)
•
Apply the engine coolant to the O-ring (A).

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Installation illustration

•
The sensor fixing clip (A) must be replaced with a new one (Do not reuse)

Engine Control / Fuel System — Engine Control System / Engine Coolant temperature sensor (ECTS) / Removal and Installation / Installation illustration

2.
Fill the engine cooling system with coolant.
(Refer to Engine Mechanical System - "Coolant")
Engine Coolant temperature sensor (ECTS) On Vehicle Inspection
On Vehicle Inspection 1. The engine control system can be more quickly diagnosed for problems with the KDS. (Refer to "DTC guide") ...
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See also:

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Compression Pressure Inspection
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