GM Service Manual Online
For 1990-2009 cars only

Intake Air Temperature (IAT) Sensor

The IAT sensor is mounted in the rear air intake duct.

Removal Procedure


    Object Number: 12638  Size: SH
  1. Disconnect the electrical connector.
  2. Carefully remove the IAT sensor (snaps into place).

Installation Procedure


    Object Number: 12638  Size: SH
  1. Install the IAT Sensor (snap into place).
  2. Disconnect the electrical connector.