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Removal Procedure

CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
    Fig 1: Locating Engine Wiring Harness Electrical Connector, Clip, Bolt & ECT Sensor
    GM1960215Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system to a level below the engine cooling temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill) .
  2. Disconnect the engine wiring harness electrical connector (2) from the ECT sensor (1).
    3. Fig 2: View Of ECT Sensor
    GM855737Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor.
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