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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1966 (Engine Controls And Fuel - 3.6L (LCS) - Introduction) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Generator Terminal Nut
    GM1888716Courtesy of GENERAL MOTORS CORP.
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill With HP5) or Cooling System Draining and Filling (Static Fill Without HP5) or Cooling System Draining and Filling (GE 47716 Fill With HP5) or Cooling System Draining and Filling (GE 47716 Fill Without HP5)
  2. Reposition the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement (HP7) or Underhood Electrical Center or Junction Block Replacement (HP5)
  3. Disconnect the engine wiring harness electrical connector (10) from the engine coolant temperature (ECT) sensor (3).
    4. Fig 2: View Of ECT Sensor
    GM1836047Courtesy of GENERAL MOTORS CORP.
  4. Remove the ECT sensor.
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