Engine Coolant Temperature Sensor: Removal

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Turn OFF the ignition. Partially drain the cooling system to below the Engine Coolant Temperature (ECT) sensor. See Figure or Figure . Disconnect the ECT sensor electrical connector. Carefully remove the ECT sensor.