GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

  2. Object Number: 281851  Size: SH
  3. Disconnect the IAT sensor harness connector.

  4. Object Number: 317493  Size: SH
  5. Remove the IAT sensor from the air inlet tube by pulling the sensor upward.

Installation Procedure


    Object Number: 317493  Size: SH
  1. Install the IAT sensor.

  2. Object Number: 281851  Size: SH
  3. Connect the IAT sensor harness connector.
  4. Connect the negative battery cable.