GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn OFF the ignition switch.

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

  4. Object Number: 487939  Size: SH
  5. 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
  3. Connect the electrical connector (2) to the IAT sensor (1).