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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Passenger >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.8L, 5.3L Or 6.0L - Introduction >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> Removal Procedure

Removal Procedure

    CAUTION: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  1. Turn OFF the ignition.
    2. Fig 1: View of ECT Sensor Electrical Connector
    GM50967Courtesy of GENERAL MOTORS CORP.
  2. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Drain the cooling system below the level of the ECT sensor. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (Vac N Fill) .
  4. Lower the vehicle.
  5. Disconnect the electrical connector from the engine coolant temperature (ECT) sensor.
    6. Fig 2: Locating ECT Sensor
    GM50974Courtesy of GENERAL MOTORS CORP.
  6. Remove the ECT sensor.
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