GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Caution: Allow sufficient time for the engine to cool before removing the ECT sensor. A hot engine may cause an excessive coolant loss or a personal injury.

  1. Turn the ignition OFF.
  2. Partially drain the cooling system. Refer to Cooling System Draining and Filling .

  3. Object Number: 1394058  Size: SH
  4. Remove the coolant temperature sensor electrical connector.

  5. Object Number: 1394088  Size: SH
  6. Remove the coolant temperature sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1394088  Size: SH
  1. Install the coolant temperature sensor.
  2. Tighten
    Tighten the sensor to 22 N·m (16 lb ft).


    Object Number: 1394058  Size: SH
  3. Install the coolant temperature sensor electrical connector.
  4. Inspect and fill the cooling system as necessary. Refer to Cooling System Draining and Filling .