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Home >> Buick >> 2009 >> Allure CXL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.8L - Introduction >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

CAUTION: 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 Cooling System Draining and Filling (L26 Static Fill) or Cooling System Draining and Filling (L26 GE 47716 Fill) .
  2. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
    3. Fig 1: Removing ECT Sensor
    GM186069Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor.
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