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Engine Temperature Sensor: Service and Repair

Engine Coolant Temperature (ECT) Sensor Removal and Installation

Removal
1. Disconnect negative cable from battery.
2. Drain cooling system.




3. Disconnect coupler from ECT sensor (1).
4. Remove ECT sensor from water outlet cap (2).




Installation
Reverse removal procedure noting the followings.
- Clean mating surfaces of sensor and water outlet cap (1).
- Use new O-ring.
- Connect coupler to sensor securely.
- Refill cooling system.
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