Engine Coolant Temperature Sensor Replacement for Oldsmobile Intrigue 1998

1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.
2. Partially drain the engine coolant from the cooling system. Refer to Cooling System Draining and Filling .



3. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.



4. Remove the ECT sensor from the engine.

1. Install the ECT sensor to the engine.

Tighten
Tighten the engine coolant temperature sensor to 25 N·m (18 lb ft).




2. Connect the Engine Coolant Temperature (ECT) sensor electrical connector.
3. Fill the cooling system with engine coolant. Refer to Cooling System Draining and Filling .
4. Inspect for leaks.
5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 3.8L.