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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Controls - 1.6L (L91) (Introduction)) >> Repair Instructions >> Engine Coolant Temperature (ECT) Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Suzuki Swift + and 2004 Chevrolet Aveo. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View of ECT Sensor Connector
    GM1289410Courtesy of GENERAL MOTORS CORP.
  1. Relieve the coolant system pressure.
    2. CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
  2. Disconnect the negative battery cable.
  3. Drain the coolant below the engine coolant temperature (ECT) sensor level.
  4. Disconnect the ECT sensor connector.
    5. NOTE: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
  5. Remove the ECT sensor.
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