GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1820502  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the engine cover. Refer to Engine Cover Replacement .

  3. Object Number: 1820589  Size: SH
  4. Disconnect the engine coolant temperature (ECT) sensor connector.
  5. Remove the ECT sensor.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1820589  Size: SH
  1. Install the engine coolant temperature sensor.
  2. Tighten
    Tighten the ECT sensor to 35 N·m (25.8 lb ft).

  3. Connect the engine coolant temperature sensor.

  4. Object Number: 1820502  Size: SH
  5. Install the engine cover. Refer to Engine Cover Replacement .
  6. Connect the negative battery cable.