GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

A typical IAT sensor shown.

Turn OFF the ignition.


    Object Number: 179039  Size: SH
  1. Disconnect the IAT sensor electrical connector (1).
  2. 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).
  2. Connect the IAT sensor electrical connector (1).