GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1308251  Size: SH
  1. Disconnect the negative battery cable.
  2. Remover the center molding. Refer to Instrument Panel Center Trim Panel Replacement.
  3. Disconnect the mode control cable from the mode door.
  4. Disconnect the electrical connectors.

  5. Object Number: 1308246  Size: SH
  6. Disconnect the temperature control cable by gently prying the cable eyelet from the post on the controller. Unsnap the cable housing from the mechanical slide. Note the location of the cable and the housing for ease of installation.
  7. Pull out the center molding.

  8. Object Number: 1308253  Size: SH
  9. Remove the 4 controller retaining screws.
  10. Remove the control assembly from the center molding.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1308246  Size: SH
  1. Install the control assembly to the center molding with the retaining screws and tighten to 2 N·m (18 lb in).
  2. Press the cable end eyelet onto the post on the controller.
  3. Attach the mechanical cable housing to its original control position.
  4. Connect the electrical connectors to the sockets on the back of the controller.

  5. Object Number: 1308250  Size: SH
  6. Gently insert the center molding into position on the instrument panel (I/P).
  7. Connect the negative battery cable.
  8. Confirm the proper operation of the controller by moving it through all of the controller's possible functioning positions.