GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Alero 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Air Cleaner Assembly Replacement

Removal Procedure
  1. Turn OFF the ignition.

    2. Object Number: 73897 Size: SH
  2. Disconnect the mass air flow (MAF) sensor electrical connector.
  3. Disconnect the intake air temperature (IAT) sensor electrical connector.
  4. Disconnect the breather tube from the air intake duct.
  5. Loosen the two air intake duct clamps and remove the air intake duct.
  6. Remove the air cleaner assembly retainer screws.
  7. Remove the air cleaner assembly from the vehicle.
  8. Separate the mass air flow (MAF) sensor from the air filter element cover.
  9. Remove the air cleaner element retaining screws and remove the cover.

    10. Object Number: 537321 Size: SH
  10. Remove the air cleaner element. Inspect the air cleaner element and replace if necessary.

Installation Procedure

    Object Number: 537321 Size: SH
  1. Install the air cleaner element in the air cleaner assembly.
  2. Position the air cleaner cover on the air cleaner assembly.

    3. 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 air cleaner retainer screws.

    4. Tighten
    Tighten the screws to 6 N·m (40 lb in).

  4. Install the MAF sensor to the air cleaner cover.

    5. Object Number: 73897 Size: SH
  5. Place the air cleaner assembly in the vehicle.
  6. Install the air cleaner assembly retainer screws.

    7. Tighten
    Tighten the air cleaner housing nuts to 10 N·m (89 lb in).

  7. Install the air intake duct.
  8. Tighten the two air intake duct clamps.
  9. Connect the breather tube to the air intake duct.
  10. Connect the IAT sensor electrical connector.
  11. Connect the mass air flow (MAF) sensor electrical connector.