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Home › Hummer › 2008 › H3 Base, Standard › Repair and Diagnosis › External Pages › Different car › Section 404 (Engine Controls And Fuel - 3.6L - Introduction) › Repair Instructions › Engine Coolant Temperature Sensor Replacement › Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: 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. Remove the engine oil dipstick indicator.
    3. Fig 1: View Of Electrical Connector Heat Protector
    GM1997115Courtesy of GENERAL MOTORS CORP.
  3. Slide the electrical connector heat protector (1) off the electrical connector.
    4. Fig 2: View Of Coolant Temperature Sensor And Electrical Connector
    GM945424Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the coolant temperature sensor electrical connector.
    5. Fig 3: View Of ECT Sensor
    GM1285193Courtesy of GENERAL MOTORS CORP.
  5. Remove the coolant temperature sensor.
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