GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2002 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Intake Air Temperature Sensor Replacement

Removal Procedure
  1. Turn OFF the ignition switch.

    2. Object Number: 471749 Size: SH
  2. Disconnect the electrical connector (2) from the intake air temperature (IAT) sensor (1).

    3. Object Number: 487939 Size: SH
  3. Grasp and, with a twisting and pulling motion, remove the IAT sensor from the intake air duct (1).

Installation Procedure

    Object Number: 487939 Size: SH
  1. Position and insert the IAT sensor into the rear air intake duct (1).

    2. Object Number: 471749 Size: SH
  2. Connect the electrical connector (2) to the IAT sensor (1).