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

Removal Procedure

    Object Number: 1591858 Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the engine wiring harness electrical connector (6) from the engine coolant temperature (ECT) sensor.

    3. Object Number: 1713085 Size: SH
  3. Remove the ECT.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1713085 Size: SH
  1. Install the ECT.

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


    Object Number: 1591858 Size: SH
  2. Connect the engine wiring harness electrical connector (6) to the ECT sensor.
  3. Fill the cooling system as needed. Refer to Cooling System Draining and Filling .