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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 16 (ENGINE CONTROLS - ELECTRONIC ENGINE CONTROLS - 2.5L (EXCEPT HYBRID))REMOVAL AND INSTALLATIONCYLINDER HEAD TEMPERATURE (CHT) SENSORREMOVAL AND INSTALLATION
2010 Mercury Mariner Hybrid, AWD
Removal and Installation
2010 Mercury Mariner Hybrid, AWDSECTION Removal and Installation
WARNING: This page is about a different variant/trim than selected.
- Detach the Cylinder Head Temperature (CHT) sensor cover and position aside.
- Disconnect the CHT sensor electrical connector.
- Remove the CHT
sensor.
- To install, tighten to 12 Nm (106 lb-in).
- To install, reverse the removal procedure.
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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.