Engine Coolant Temperature Sensor Replacement - Radiator

WARNING: This page is about a different car, the 2018 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling . Remove the right front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement (Front)Front Wheelhouse Liner Replacement (Rear)Front Wheelhouse Liner Replacement (with WFK) .
1	Engine Coolant Temperature Sensor Retainer
2	Engine Coolant Temperature Sensor Seal Procedure Discard the old seal and replace with a NEW seal if not replacing the sensor.
3	Engine Coolant Temperature Sensor Procedure Disconnect the engine coolant temperature sensor radiator mounted electrical sensor. Inspect and clean the radiator prior to installation.