GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Air Cleaner Element Replacement

Removal Procedure

    Object Number: 179039 Size: SH
  1. Remove the IAT sensor connector (1) from the IAT sensor (2).
  2. Remove the rear air cleaner intake duct from the Mass Air Flow Sensor (MAF) end of the duct. Refer to Air Cleaner Inlet Duct Replacement .

    3. Object Number: 207964 Size: SH
  3. Remove the screws securing the front air cleaner intake duct to the air cleaner housing.
  4. Remove the air filter element.
  5. Inspect the air filter element for dust, dirt, water and replace if required.

Installation Procedure

    Object Number: 207964 Size: SH
  1. Install the air filter element.

    2. 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.

  2. Install the two screws securing the front air intake duct to the air cleaner housing.

    3. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 179039 Size: SH
  3. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .

    4. Tighten
    Tighten the clamp to 2 N·m (18 lb in).

  4. Install the IAT sensor connector (1) from the IAT sensor (2).