GM Service Manual Online
For 1990-2009 cars only

The IAT sensor is mounted in the rear air intake duct.

Removal Procedure

  1. Turn the ignition OFF.

  2. Object Number: 74279  Size: SH
  3. Disconnect the IAT sensor electrical connector.
  4. Grasp and remove the IAT sensor (3) with a twisting and pulling motion.

Installation Procedure


    Object Number: 74279  Size: SH
  1. Position and insert the IAT sensor (3) into the rear air intake duct (2).
  2. Connect the electrical connector.