Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION 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.
  1. Turn OFF the ignition.
  2. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  3. Drain the coolant below the level of the ECT sensor. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac N Fill) in Engine Cooling.
  4. Fig 1: Locating Engine Coolant Temperature (ECT) Sensor Electrical Connector
    GM246797Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the electrical connector.
  6. Fig 2: View Of ECT Sensor
    GM246800Courtesy of GENERAL MOTORS CORP.
  7. Carefully 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:

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