GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Typical IAT Sensor shown.

The IAT sensor is located on the air intake housing.

  1. Turn OFF the ignition switch.

  2. Object Number: 179039  Size: SH
  3. Disconnect the IAT sensor electrical connector.
  4. Carefully grasp the sensor and with a twisting and pulling motion, remove the IAT sensor from air intake duct.

Installation Procedure


    Object Number: 179039  Size: SH
  1. Install the IAT Sensor into the hole.
  2. Connect the IAT Sensor electrical connector.