Engine Coolant Temperature Sensor Replacement (Water Outlet)

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Engine Coolant Temperature Sensor Replacement (Water Outlet)
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.
GM2508323Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Drain the cooling system. Refer to Cooling System Draining and Filling .
1 Engine Coolant Temperature Sensor Fastener
2 Engine Coolant Temperature Sensor
ProcedureΒ 
Disconnect the electrical wiring harness connector from the engine coolant temperature sensor.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.