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Home >> Buick >> 2005 >> Park Avenue Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> 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.
  1. Turn OFF the ignition.
  2. Drain the coolant below the level of the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System in Engine Cooling.
  3. Disconnect the sensor electrical connector.
    4. Fig 1: Removing ECT Sensor
    GM186069Courtesy of GENERAL MOTORS CORP.
  4. Carefully remove the ECT sensor.
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