Spark

Engine Coolant Temperature Sensor Replacement - Thermostat

Warning: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.

1. Drain the engine coolant. Refer to Cooling System Draining and Filling .
2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
3. Disconnect the engine coolant temperature sensor connector.
4. Remove the engine coolant temperature sensor.

Caution: Refer to Component Fastener Tightening Caution in the Preface section.




1. Install the engine coolant temperature sensor and tighten to 18 N·m (13.3 lb ft).
2. Connect the engine coolant temperature sensor connector.
3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
4. Refill the engine coolant. Refer to Cooling System Draining and Filling .