GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 LeSabre 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Distributor Duct Replacement

Removal Procedure
  1. Remove the left side sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gages and Console.
  2. Remove the right side sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Instrument Panel, Gages and Console.

    3. Object Number: 419243 Size: SH

    Important: Due to the difficulty of the removal of the right side screw (2), reinstalling the screw is not necessary.

  3. Remove the air distributor duct screws (1,2).
  4. Remove the air distributor duct.

Installation Procedure
  1. Install the air distributor duct.

    2. Object Number: 419243 Size: SH

    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 left side screw (1). Ensure that the right side tab is seated properly.

    3. Tighten
    Tighten the screw to 1.4 N·m (12 lb in).

  3. Install the left side sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Left Side in Instrument Panel, Gages and Console.
  4. Install the right side sound insulator. Refer to Instrument Panel Insulator Panel Replacement - Right Side in Instrument Panel, Gages and Console.