GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Eighty Eight 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Intake Air Temperature Sensor Replacement

Removal Procedure

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

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

Installation Procedure

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

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