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Home >> Saturn >> 2005 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Loosen the radiator drain plug and drain the coolant 1 liter below the level of the coolant in the coolant surge tank, using a drain pan.
  2. Tighten the drain plug.
    3. Fig 1: Removing/Installing Engine Coolant Temperature Sensor
    GM894672Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the engine coolant temperature (ECT) sensor harness connector.
  4. Remove the ECT sensor.
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