If your radiator fan is running constantly, your temperature gauge is acting strange, or you’ve got a check engine light related to engine temperature, your coolant temperature sensor may be the culprit. 🔧 Replacement Part Used in This Repair GM Genuine Parts Engine Coolant Temperature SensorGM Part #12608814 / ACDelco #213-4333 In this guide, I’ll walk you step-by-step through how to replace the coolant temperature sensor on a 2015 Chevy Tahoe 5.3L. This is a straightforwar