GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 870620  Size: SH
  1. Turn the ignition OFF.
  2. Disconnect the IAT sensor harness connector.
  3. Important: The connector must be removed by squeezing the sides. Apply pressure to sides of the connector gently with pliers. Do not pull on wires.

  4. Remove the IAT sensor using a deep-well socket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 870620  Size: SH
  1. Install the IAT sensor.
  2. Tighten
    Tighten the intake air temperature sensor to 5 N·m (44 lb in).

  3. Connect the IAT sensor harness connector. Push in the connector until a click is heard and pull back to confirm a positive engagement.