FixVault

Engine Coolant Temperature Sensor Replacement

Fig 1: Identifying Engine Coolant Temperature Sensor
GM2193079Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Partially drain the cooling system. Refer to Cooling System Draining and Filling (LFX)
1 Engine Coolant Temperature Sensor

Procedure

  1. Reposition the sensor heat shield.
  2. Disconnect the ECT sensor harness connector.

    Tighten 

    20 N.m (15 lb ft)