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Home >> Buick >> 2005 >> Century Custom >> 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

    Fig 1: View Of ECT Sensor, Connector And Wiring Harness At Fuel Rail
    GM15986Courtesy of GENERAL MOTORS CORP.
    NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Partially drain the cooling system. Refer to Draining and Filling Cooling System in Engine Cooling.
  2. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
  3. Remove the ECT sensor.
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