GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Turn OFF the ignition.

  2. Object Number: 471749  Size: SH
  3. Remove the electrical connector (2) from the IAT sensor (1).

  4. Object Number: 210987  Size: SH
  5. Remove the air cleaner intake duct.

  6. Object Number: 180140  Size: SH
  7. Remove the snap ring (3) from the throttle body (1).
  8. Remove the air inlet screen (2) from the throttle body (1).

Installation Procedure


    Object Number: 180140  Size: SH
  1. Install the air inlet screen (2) into the throttle body (1).
  2. Install the snap ring to the throttle body.

  3. Object Number: 210987  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the air cleaner intake duct.
  5. Tighten
    Tighten the clamp to 2 N·m (18 lb in).


    Object Number: 471749  Size: SH
  6. Install the electrical connector (1) to the IAT sensor (2).