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.
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HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1150 (ELECTRONIC ENGINE CONTROL SYSTEM - 3.0L (4V))REMOVAL AND INSTALLATIONENGINE COOLANT TEMPERATURE (ECT) SENSOR
2009 Mercury Milan Premier, 3.0 1, AWD
Engine Coolant Temperature (ECT) Sensor
2009 Mercury Milan Premier, 3.0 1, AWDSECTION Engine Coolant Temperature (ECT) Sensor
WARNING: This page is about a different car, the 2008 Mercury Mariner and 2008 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Part Number | Description |
|---|---|---|
| 1 | 14A464 | Engine coolant temperature (ECT) sensor electrical connector |
| 2 | 8548 | ECT sensor |
- Drain the cooling system. For additional information, refer to ENGINE COOLING article.
- Remove the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING - 3.0L (4V) article.
- Disconnect the engine coolant temperature sensor electrical connector.
- Remove the ECT sensor.
- Pull upward on the locking tab.
- Rotate the sensor counterclockwise and remove.
- To install, reverse the removal procedure.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.