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HOMESERVICE MANUALSCHEVROLET2012CHEVY EXPRESS G2500, VAN PASSENGER, 4.8L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1795 (ENGINE CONTROLS AND FUEL - 4.8L, 5.3L, 6.0L, 6.2L, OR 7.0L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSENGINE COOLANT TEMPERATURE SENSOR REPLACEMENTREMOVAL PROCEDURE
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN A

Removal Procedure

2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN ASECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 GMC Savana Special, 2010 GMC Savana Camper Special, 2010 GMC Savana, 2010 Chevrolet RV Cutaway, and 2010 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
    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.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.