GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 235019  Size: SH
  1. Disconnect the crankcase vent tube from the rear intermediate duct.

  2. Object Number: 441418  Size: SH
  3. Remove the air cleaner duct bracket clamp bolt.

  4. Object Number: 235020  Size: SH
  5. Loosen the rear intermediate duct hose clamps and remove the duct.

  6. Object Number: 235028  Size: SH
  7. Remove air cleaner duct adapter to throttle body stud nut and duct.

  8. Object Number: 441427  Size: SH
  9. Disconnect IAT sensor harness.
  10. Remove MAF sensor. Refer to Mass Airflow Sensor Replacement .

  11. Object Number: 235031  Size: SH
  12. Loosen the front intermediate duct to air cleaner duct clamp and remove the air cleaner duct.

  13. Object Number: 235005  Size: SH
  14. Loosen the air cleaner duct to air cleaner clamp and remove the duct.

Installation Procedure

Important: Check the air cleaner duct components for proper alignment when installing the air cleaner duct components. Leave all of the clamps loose until all of the components are properly aligned, then tighten the clamps.


    Object Number: 235005  Size: SH
  1. Install the air cleaner outlet duct and the clamp to the air cleaner assembly.
  2. Install the MAF sensor. Refer to Mass Airflow Sensor Replacement .

  3. Object Number: 441427  Size: SH
  4. Connect the IAT sensor harness connector.

  5. Object Number: 235031  Size: SH
  6. Install the front intermediate duct and the clamp to the air cleaner duct.

  7. Object Number: 235028  Size: SH
  8. Install the air cleaner duct adapter and nut to the throttle body.

  9. Object Number: 235020  Size: SH
  10. Install the rear intermediate air cleaner duct and the clamps to the air cleaner adapter and to the air cleaner duct.

  11. Object Number: 441418  Size: SH
  12. Install the air cleaner duct, the bracket clamp and the bolt to the bracket.

  13. Object Number: 235019  Size: SH
  14. Install the crankcase vent tube to the rear intermediate duct.