GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Aveo 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Coolant Temperature Sensor Replacement

Removal Procedure

    Object Number: 1915899 Size: SH
  1. Relieve the coolant system pressure.

    2. Caution: Refer to Battery Disconnect Caution in the Preface section.

  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. Notice: 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.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1915899 Size: SH
  1. Install the ECT sensor.

    2. Tighten
    Tighten the ECT sensor to 20 N·m (15 lb ft).

  2. Connect the ECT sensor connector.
  3. Fill the cooling system. Refer to Cooling System Draining and Filling .
  4. Connect the negative battery cable.