GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1308339  Size: SH
  1. Disconnect the negative battery cable.
  2. Remove the center molding assembly. Refer to Instrument Panel Center Trim Panel Replacement .
  3. Pull out the unit to gain access to the rear.

  4. Object Number: 1308349  Size: SH
  5. Disconnect the electrical connectors.
  6. Remove the center molding assembly from the instrument panel.

  7. Object Number: 1308389  Size: SH
  8. Remove the control assembly retaining screws.
  9. Remove the automatic temperature control assembly.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1308400  Size: SH
  1. Position the automatic temperature control assembly on the center molding and install the retaining screws.
  2. Tighten
    Tighten the control assembly retaining screws to 2 N·m (18 lb in).

  3. Connect the electrical connectors.
  4. Install the center molding assembly. Refer to Instrument Panel Center Trim Panel Replacement .
  5. Connect the negative battery cable.