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Home › Chevrolet › 2011 › HHR LT, 2.2 W, Automatic › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 2.2L Or 2.4L - Repair Instructions › Repair Instructions › Engine Coolant Temperature Sensor Replacement › Removal Procedure

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: ECT Sensor Electrical Connector
    GM1625483Courtesy of GENERAL MOTORS COMPANY
  1. Drain the coolant system to below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (GE 47716 Fill) , Cooling System Draining and Filling (Static Fill-LE8, LE9) .
  2. Reposition the air cleaner assembly from the top of the engine.
  3. If equipped with a automatic transaxle, disconnect the ECT sensor electrical connector (1).
    4. Fig 2: ECT Sensor Electrical Connector
    GM1625486Courtesy of GENERAL MOTORS COMPANY
  4. If equipped with a manual transaxle, disconnect the ECT sensor electrical connector (1).
    5. Fig 3: ECT Sensor
    GM1713085Courtesy of GENERAL MOTORS COMPANY
  5. Remove the ECT sensor.
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