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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.6L (Ly7) - Introduction >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure
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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.
    Fig 1: View Of Coolant Temperature Sensor And Electrical Connector
    GM945424Courtesy of GENERAL MOTORS CORP.
  1. Turn the ignition OFF.
  2. Remove the front compartment sight shields as necessary. Refer Sight Shields, Hood Adjuster, Hood Bumper, Hood Latch Replacement in Body Front End.
  3. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
  4. Fig 2: View Of ECT Sensor
    GM1285193Courtesy of GENERAL MOTORS CORP.
  5. Remove the coolant temperature sensor.