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Engine Coolant Temperature (ECT) Sensor Removal/Installation: Notes

WARNING: This page is about a different car, the 2024 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Special Service Tool (SST) 

49 D015 001
Box wrench
G16328318Courtesy of MAZDA MOTORS CORP.

Replacement Part 

O-ring
Quantity: 1
Location of use: ECT sensor
WARNING:
  • A hot engine can cause severe burns. Turn off the engine and wait until it is cool before removing the ECT sensor.