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 MANUALSMAZDA2010CX-7 AWD L4-2.3L TURBOREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTCOOLING SYSTEMSENSORS AND SWITCHES - COOLING SYSTEMENGINE - COOLANT TEMPERATURE SENSOR/SWITCHSERVICE AND REPAIR
2010 Mazda CX-7 AWD L4-2.3L Turbo
Engine - Coolant Temperature Sensor/Switch: Service and Repair
2010 Mazda CX-7 AWD L4-2.3L TurboSECTION Service and Repair
ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION [L3 WITH TC]
WARNING:
- A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the ECT sensor.
1. Disconnect the negative battery cable.
2. Remove the charge air cooler duct. Service and Repair
3. Remove the battery and battery tray. Removal and Replacement
4. Remove the air cleaner and air hose. (See Service and Repair.)
5. Drain the engine coolant. (See Service Precautions.)
6. Disconnect the wiring harness.
7. Remove the ECT sensor.
8. Install in the reverse order of removal.
Tightening torque
- 10-14 Nm {102-142 kgf-cm, 89-123 in-lbf}
9. Refill the engine coolant. (See Service Precautions.)
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.