GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Regal 🢒 General Information 🢒 Maintenance and Lubrication 🢒 Air Cleaner Assembly Replacement

Removal Procedure
  1. Remove the left inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .

    3. Object Number: 444496 Size: SH
  3. Remove the air cleaner housing screws (2).
  4. Remove the air cleaner housing cover (1) from the air cleaner housing.
  5. Without disconnecting the powertrain control module (PCM) connectors, remove the PCM and the harness from the air cleaner housing.

    6. Object Number: 444479 Size: SH
  6. Remove the air cleaner housing (1) by pulling the housing from the 2 rubber grommets (2) in the engine compartment.
  7. Inspect the air cleaner housing assembly for signs of damage and replace if necessary.

Installation Procedure

    Object Number: 444479 Size: SH
  1. Install the air cleaner housing by pushing the housing (1) into the 2 rubber grommets (2) in the engine compartment.

    2. Object Number: 444496 Size: SH
  2. Install the PCM and the harness into the air cleaner housing (3).
  3. Install the air cleaner housing cover assembly (1).

    4. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the air cleaner housing screws (2).

    5. Tighten
    Tighten the screws to 4 N·m (35 lb in).

  5. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  6. Install the left inner fender brace. Refer to Front Fender Upper Diagonal Brace Replacement in Body Front End.