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

Removal Procedure
  1. Remove the HVAC Module. Refer to HVAC Module Assembly Replacement .

    2. Object Number: 688099 Size: SH
  2. Remove the recirculation housing screws.
  3. Remove the recirculation housing.
  4. Remove the recirculation door from the housing.

Installation Procedure
  1. Install the recirculation door into the housing.

    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 recirculation housing.

    3. Object Number: 688099 Size: SH
  3. Install the recirculation housing screws.

    4. Tighten
    Tighten the screws to 1.4 N·m (12 lb in).

  4. Install the HVAC module. Refer to HVAC Module Assembly Replacement .