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Home >> Cadillac >> 2010 >> CTS V, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.2L - Repair Instructions >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View of ECT Sensor Electrical Connector
    GM50967Courtesy of GENERAL MOTORS CORP.
  1. Turn OFF the ignition.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Drain the engine coolant below the level of the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill LSA) or Cooling System Draining and Filling (GE 47716 LSA) .
  4. Lower the vehicle.
  5. Disconnect the harness connector from the ECT sensor.
    6. Fig 2: Locating ECT Sensor
    GM50974Courtesy of GENERAL MOTORS CORP.
    CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  6. Remove the ECT sensor.
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