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Home › Hummer › 2007 › H2 4D Utility Pickup › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 6.0L - Introduction (2 Of 2) › Repair Instructions › Engine Coolant Temperature Sensor Replacement › Removal Procedure

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. Turn OFF the ignition.
    2. Fig 1: View of ECT Sensor Electrical Connector
    GM50967Courtesy of GENERAL MOTORS CORP.
  2. Drain the cooling system below the level of the ECT sensor. Refer to Draining and Filling Cooling System .
  3. Disconnect the electrical connector from the engine coolant temperature (ECT) sensor.
    4. Fig 2: Locating ECT Sensor
    GM50974Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.
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