GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1826284  Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Remove the heat shield from the around the electrical connector, if necessary.
  3. Disconnect the engine wiring harness electrical connector (3) from the engine coolant temperature (ECT) sensor.

  4. Object Number: 1713085  Size: SH
  5. 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: 1826284  Size: SH
  3. Connect the engine wiring harness electrical connector (3) to the ECT sensor.
  4. Install the heat shield around the electrical connector, if necessary.
  5. Fill the cooling system as needed. Refer to Cooling System Draining and Filling .