GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1863844  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

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1820589  Size: SH
  1. Install the ECT sensor and tighten to 35 N·m (25.8 lb ft).
  2. Connect the ECT sensor.
  3. Install the engine cover. Refer to Engine Cover Replacement.
  4. Connect the negative battery cable.