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Home >> Chevrolet >> 2005 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - (Introduction) Specifications & Repair Instructions >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure
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Removal Procedure

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 in Engine Cooling.
    4. Fig 1: Locating Engine Coolant Temperature (ECT) Sensor Electrical Connector
    GM246797Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the electrical connector.
    5. Fig 2: View Of ECT Sensor
    GM246800Courtesy of GENERAL MOTORS CORP.
  5. Carefully remove the ECT sensor.
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