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 bolt and bracket.

  4. Object Number: 235020  Size: SH
  5. Loosen the rear intermediate duct to adapter hose clamp 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 the IAT sensor harness connector.

  10. Object Number: 235031  Size: SH
  11. Loosen the front intermediate duct to air cleaner duct clamp and remove the air cleaner duct.
  12. Loosen the front intermediate duct to Mass Air Flow (MAF) sensor clamp and remove the duct.

  13. Object Number: 235008  Size: SH
  14. Loosen the air cleaner to MAF sensor clamp and remove the MAF sensor.

  15. Object Number: 235005  Size: SH
  16. 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. Object Number: 235008  Size: SH
  3. Install the MAF sensor.

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

  6. Object Number: 441427  Size: SH
  7. Connect the IAT sensor harness connector.

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

  10. Object Number: 235020  Size: SH
  11. Install the rear intermediate duct.

  12. Object Number: 441418  Size: SH
  13. Install the air cleaner duct bracket bolt and bracket.

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