Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Canyon and 2009 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.

Fig 1: Engine Coolant Temperature Sensor

Courtesy of GENERAL MOTORS CORP.

Drain the cooling system below the level of the ECT sensor. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) .
Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor.

Fig 2: Removing/Installing ECT Sensor

Courtesy of GENERAL MOTORS CORP.

Remove the ECT sensor (1).