Engine Coolant Temperature Sensor Replacement

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Coolant Temperature Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716) Intake Manifold Cover Replacement Plenum Front Panel Replacement Fuel Pump Insulator Replacement (Inner) Fuel Pump Insulator Replacement (Outer) Vacuum Pump Replacement
1	Engine Coolant Temperature Sensor Retaining Clip
2	Engine Coolant Temperature Sensor Procedure Disconnect the engine wiring harness electrical connector from the engine coolant temperature sensor. Remove the engine coolant temperature sensor from the thermostat housing. Inspect the seal and replace if necessary.

Callout

Component Name

Preliminary Procedure

Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716)
Intake Manifold Cover Replacement
Plenum Front Panel Replacement
Fuel Pump Insulator Replacement (Inner) Fuel Pump Insulator Replacement (Outer)
Vacuum Pump Replacement

Engine Coolant Temperature Sensor Retaining Clip

Engine Coolant Temperature Sensor

Procedure

Disconnect the engine wiring harness electrical connector from the engine coolant temperature sensor.
Remove the engine coolant temperature sensor from the thermostat housing.
Inspect the seal and replace if necessary.