GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Vivant 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Engine Coolant Temperature Sensor Replacement

Removal Procedure

    Object Number: 1263856 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. Remove the generator and the generator low support bracket. Refer to Generator Replacement .
  4. Disconnect the engine coolant temperature (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. Carefully remove the ECT sensor from the cylinder head underneath the intake manifold.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1263856 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. Install the generator and the generator low support bracket. Refer to Generator Replacement .
  4. Connect the negative battery cable.