Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Kia Seltos S, AWDFACTORY OEM SERVICE PROCEDURE
Components Inspection
- Turn ignition switch OFF.
- Disconnect the water temperature sensor connector.
- Remove the sensor.
- After immersing the thermistor of the sensor into engine coolant, measure resistance between ECTS signal terminal and ground terminal.
- Check that the resistance is within the specification.
| Temperature | Resistance (kΞ©) | |
|---|---|---|
| Β°C | Β°F | |
| 45 | 113 | 244.8 - 281.4 |
| 55 | 131 | 162.5 - 186.5 |
| 60 | 140 | 133.5 - 153.5 |
| 71 | 159.8 | 88.93 - 102.13 |
| 85 | 185 | 55.16 - 63.36 |
| 110 | 230 | 26.02 - 29.82 |
| 125 | 257 | 17.5 - 19.7 |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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