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Home >> Buick >> 2007 >> Allure CXS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

CAUTION: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.
  1. Turn the ignition OFF.
  2. Partially drain the cooling system. Refer to Draining and Filling Cooling System (GE 47716 Fill) or Draining and Filling Cooling System (L26 Static Fill) or Draining and Filling Cooling System (LY7 Static Fill) in Engine Cooling.
    3. Fig 1: Locating Coolant Temperature Sensor Electrical Connector
    GM1394058Courtesy of GENERAL MOTORS CORP.
  3. Remove the coolant temperature sensor electrical connector.
    4. Fig 2: Coolant Temperature Sensor
    GM1394088Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant temperature sensor.
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