GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1576579  Size: SH
  1. Remove the left inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement .
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  3. Important: The air cleaner upper housing bolts are integral to the lower air cleaner housing.

  4. Loosen the air cleaner housing bolts.
  5. Remove the air cleaner upper housing from the air cleaner lower housing.

  6. Object Number: 1576580  Size: SH
  7. Without disconnecting the powertrain control module (PCM) electrical connectors, remove the PCM from the air cleaner lower housing.
  8. Remove the air cleaner lower housing by pulling the housing from the 2 rubber grommets.
  9. Inspect the air cleaner housing assembly for signs of damage and replace if necessary.

Installation Procedure


    Object Number: 1576580  Size: SH
  1. Install the air cleaner lower housing by firmly pushing the housing down into the 2 rubber grommets.
  2. Install the PCM into the air cleaner lower housing.

  3. Object Number: 1576579  Size: SH
  4. Install the front tabs of the air cleaner upper housing into the slots in the air cleaner lower housing.
  5. Align the holes in the upper housing to the integral bolts in the lower housing.
  6. Notice: Refer to Fastener Notice in the Preface section.

  7. Tighten the air cleaner housing bolts.
  8. Tighten
    Tighten the screws to 4 N·m (35 lb in).

  9. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  10. Install the left inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement .