GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 208553  Size: SH
  1. Disconnect the following electrical connectors, if equipped with the 5.7L engine:
  2. • Intake air temperature (IAT) sensor
    • Mass airflow (MAF) sensor

    Object Number: 208569  Size: SH
  3. Remove the air cleaner outlet duct, if equipped with the 5.7L engine.

  4. Object Number: 208554  Size: SH
  5. Disconnect the intake air temperature (IAT) sensor electrical connector, if equipped with the 3.8L engine.

  6. Object Number: 554755  Size: SH
  7. Remove the intake air duct resonator, if equipped with the 3.8L engine.

  8. Object Number: 245337  Size: SH
  9. Release the retaining strap latches.
  10. Lift the air cleaner housing cover off.
  11. Remove the air cleaner element.

  12. Object Number: 221697  Size: SH
  13. Remove the radiator support bolts.
  14. Remove the radiator support.

Installation Procedure


    Object Number: 221697  Size: SH
  1. Install the radiator support.
  2. 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.

  3. Install the radiator support bolts
  4. Tighten
    Tighten the radiator support bolts to 12 N·m (106 lb in).


    Object Number: 554755  Size: SH
  5. Install the intake air duct resonator, if equipped with the 3.8L engine.

  6. Object Number: 208554  Size: SH
  7. Connect the IAT sensor electrical connector, if equipped with the 3.8L engine.

  8. Object Number: 208569  Size: SH
  9. Install the air cleaner outlet duct, if equipped with the 5.7L engine.

  10. Object Number: 208553  Size: SH
  11. Connect the following electrical connectors, if equipped with the 5.7L engine:
  12. • IAT sensor
    • MAF sensor