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Home >> Chevrolet >> 2008 >> Optra LS, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: View Of Engine Coolant Temperature Sensor
    GM1289410Courtesy of GENERAL MOTORS CORP.
  1. Relieve the coolant system pressure.
    2. CAUTION: Refer to Battery Disconnect Caution .
  2. Disconnect the negative battery cable.
  3. Disconnect the engine coolant temperature (ECT) sensor connector.
    4. NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  4. Remove the ECT sensor.
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