Removal Procedure

NOTE:

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

Fig 1: View Of Engine Coolant Temperature Sensor (ECT)

Courtesy of GENERAL MOTORS COMPANY

Turn OFF the ignition.
Drain the cooling system below the level of the ECT sensor. Refer to Cooling System Draining and Filling in Engine Cooling.
Disconnect the ECT electrical connector (2).
Remove the ECT electrical connector from the bracket (1).
Remove the ECT sensor (3).