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Removal Procedure

NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Partially drain the cooling system. Refer to Draining and Filling Cooling System (L26 and L32) or Draining and Filling Cooling System (LS4) in Engine Cooling.
  2. Disconnect the ECT sensor electrical connector.
    3. Fig 1: Removing ECT Sensor
    GM186069Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor.
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