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Home >> Chevrolet >> 2006 >> HHR LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.2L - Introduction (2 Of 2) >> Repair Instructions >> Engine Coolant Temperature (ECT) 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.
    Fig 1: ECT Sensor
    GM1625483Courtesy of GENERAL MOTORS CORP.
  1. Drain the coolant system to below the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (GE 47716 Fill) .
  2. If equipped with a automatic transaxle, disconnect the engine coolant temperature (ECT) sensor electrical connector (1).
    3. Fig 2: ECT Sensor Electrical Connector
    GM1625486Courtesy of GENERAL MOTORS CORP.
  3. If equipped with a manual transaxle, disconnect the ECT sensor electrical connector (1).
    4. Fig 3: ECT Sensor
    GM1578333Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.
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