GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Tracker - 2WD 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Temperature Sensor Replacement

Removal Procedure

    Object Number: 674306 Size: SH
  1. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
  2. Disconnect the ECT sensor electrical connector.
  3. Remove the ECT sensor (2) from the coolant passage (1).

Installation Procedure

    Object Number: 674306 Size: SH

    Notice: Replacement components must be the correct part number for the application. Components requiring the use of the thread locking compound, lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the component. Use the correct torque specification when installing components in order to avoid damage.

  1. Install ECT sensor (2) to the coolant passage (1).

    2. Tighten
    Tighten the ECT sensor to 15 N·m (11 lb ft).

  2. Connect the ECT sensor electrical connector.
  3. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.