GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2001 🢒 Century 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Recirculation Door Replacement

Removal Procedure
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement .
  2. Remove the recirculation actuator.
  3. Remove the recirculation housing retaining screws (1).
  4. Remove the recirculation housing (2) from the HVAC module assembly.

    5. Object Number: 606989 Size: SH
  5. Remove the recirculation door (1) from the recirculation housing (2).

Installation Procedure

    Object Number: 606989 Size: SH
  1. Install the recirculation door.
  2. Align the retaining tabs and install the recirculation housing (2) to the HVAC module 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 recirculation housing screws.

    4. Tighten
    Tighten the recirculation housing screws to 1.5 N·m (13 lb in).

  4. Install the recirculation actuator.
  5. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .