GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 284008  Size: SH
  4. Disconnect the electrical connector the temperature sensor that is located on the front radiator air baffle.
  5. Remove the temperature sensor from the radiator air baffle.

Installation Procedure


    Object Number: 284008  Size: SH
  1. Install the temperature sensor to the radiator air baffle.
  2. Connect the electrical connector to the sensor.
  3. Verify the electrical connection at the right hand rail near the shock tower base.

  4. Lower the vehicle.
  5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  6. Drive the vehicle at a speed of 32 km/h (20 mph) or greater for more than 1½ minutes in order to obtain the ambient update. The sensor will not operate if the vehicle speed drops below 32 km/h (20 mph) during the 1½ minutes.