GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1836029  Size: SH
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .
  2. Disconnect the engine wiring harness electrical connector (4) from the engine coolant temperature (ECT) sensor.

  3. Object Number: 1836047  Size: SH
  4. Remove the ECT sensor.

Installation Procedure

    Notice: Refer to Component Fastener Tightening Notice in the Preface section.


    Object Number: 1836047  Size: SH
  1. Install the ECT sensor.
  2. Tighten
    Tighten the sensor to 22 N·m (16 lb ft).


    Object Number: 1836029  Size: SH
  3. Connect the engine wiring harness electrical connector (4) to the ECT sensor.
  4. Fill the cooling system. Refer to Cooling System Draining and Filling .