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Home >> GMC >> 2010 >> Canyon 4D Pickup, 2.9 9 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System & Fuel System - 2.9L - Repair Instructions >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure
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Removal Procedure

    Fig 1: Identifying engine wiring harness electrical connector
    GM1769036Courtesy of GENERAL MOTORS CORP.
  1. Partially drain the cooling system to a level below the engine coolant temperature (ECT) sensor. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) .
  2. Disconnect the engine wiring harness electrical connector (1) from the ECT sensor electrical connector.
  3. Remove the ECT sensor electrical connector from the camshaft cover.
    4. CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  4. Using the J 45861  (2), carefully remove the ECT sensor from the cylinder head. See Special Tools .
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