GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Terraza 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Secondary Defroster Door Replacement

Removal Procedure

    Important: The defroster door must be closed to allow clearance during defroster duct removal.

  1. Set the HVAC controls in the vent setting to close the defroster door.
  2. Remove the instrument panel (I/P) carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.

    3. Object Number: 860400 Size: SH
  3. Remove the secondary defroster door lever.

    4. Object Number: 867761 Size: SH
  4. Remove the secondary defroster door.

Installation Procedure

    Object Number: 867761 Size: SH
  1. Install the secondary defroster door.

    2. Object Number: 860400 Size: SH

    Important: Align the slot in the secondary defroster door lever with the pin on the mode door main lever.

  2. Install the secondary defroster door lever.
  3. Install the I/P carrier. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gages, and Console.