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: 423117  Size: SH
  3. Disconnect the intake air temperature (IAT) sensor harness connector.

  4. Object Number: 317493  Size: SH
  5. Remove the IAT sensor from the air cleaner outlet duct by pulling the sensor upward.

Installation Procedure


    Object Number: 317493  Size: SH
  1. Install the IAT sensor in the air cleaner outlet duct.

  2. Object Number: 423117  Size: SH
  3. Connect the IAT sensor harness connector.
  4. Connect the negative battery cable.