GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1838989  Size: SH
  1. Disconnect the engine wiring harness electrical connector (1) from the engine coolant temperature (ECT) sensor.

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

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


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

  2. Object Number: 1838989  Size: SH
  3. Connect the engine wiring harness electrical connector (1) to the ECT sensor.