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Home >> Cadillac >> 2009 >> CTS V, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L - Introduction >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Locating ECT Sensor
    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 (GE 47716) or Cooling System Draining and Filling (Static Fill) .
  4. Lower the vehicle.
  5. Disconnect the harness connector from the ECT sensor.
    6. Fig 2: Removing/Installing 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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