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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System & Fuel System - 3.6L - Introduction (2 Of 2)) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
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 Cooling System Draining and Filling (L26, LY7 GE 47716 Fill) or Cooling System Draining and Filling (LY7 Static Fill) .
    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: Identifying Coolant Temperature Sensor
    GM1394088Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant temperature sensor.
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