GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Bonneville 🢒 Engine 🢒 Engine Controls - 3.8L (L36 and L67) 🢒 Intake Air Temperature Sensor Replacement

Removal Procedure
  1. Turn OFF the ignition.

    2. Object Number: 179039 Size: SH
  2. Disconnect the electrical connector (1) from the intake air temperature (IAT) sensor (2).

    3. Object Number: 179042 Size: SH
  3. Grasp and remove the IAT sensor (2) from the intake air duct (1) with a twisting and pulling motion .

Installation Procedure

    Object Number: 179042 Size: SH
  1. Insert the IAT sensor (2) into the rear air intake duct (1).

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