WARNING: This page is about a different car, the 2006 Dodge Magnum, 2006 Dodge Charger, and 2006 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Remove/Install IAT Sensor - 6.1L
Courtesy of DAIMLERCHRYSLER CORP.
Connect electrical connector (1) to sensor (2).
Press sensor into rubber air hose. Mate the notches. Be careful not to bend or damage probe (3).