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Home >> Chevrolet >> 2010 >> HHR LS, 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
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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 CORP.
  1. Drain the coolant system to below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill-LNF) or Cooling System Draining and Filling (Static Fill-LE8, LE9) or Cooling System Draining and Filling (GE 47716 Fill) .
  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 CORP.
  4. If equipped with a manual transaxle, disconnect the ECT sensor electrical connector (1).
    5. Fig 3: ECT Sensor
    GM1713085Courtesy of GENERAL MOTORS CORP.
  5. Remove the ECT sensor.
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