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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
    Fig 1: View Of Engine Coolant Temperature Sensor And Electrical Connector
    GM1335413Courtesy of GENERAL MOTORS CORP.
  1. Drain the coolant to a level below the engine coolant temperature (ECT) sensor. Refer to Draining and Filling Cooling System (w/RPO HP2) or Draining and Filling Cooling System (w/o RPO HP2) in Engine Cooling.
  2. Disconnect the ECT sensor electrical connector.
    3. Fig 2: Locating Coolant Temperature Sensor
    GM1409328Courtesy of GENERAL MOTORS CORP.
  3. Remove the ECT sensor (1).
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