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Thermostat, Engine Cooling > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6452

Lucerne V6-3.8L VIN 2 (2006)

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3. Connect the engine harness electrical connector (2) to the ECT sensor.
4. Refill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).  See:

Service and Repair

5. Install the intake manifold cover.

Thermostat, Engine Cooling > < Coolant Temperature Sensor/Switch (For Computer)|Specifications|Page 6452