GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Mode Valve Actuator Replacement

Removal Procedure

    Caution: Refer to SIR Handling Caution in the Preface section.


    Object Number: 292128 Size: SH
  1. Remove the instrument panel carrier. Refer to Instrument Panel Assembly Replacement in Instrument Panel, Gages, and Console.

    2. Important: The left air temperature actuator does not need to be removed in order to remove the mode actuator.

    The left air temperature actuator is removed in the graphic in order to show the screw locations.

  2. Remove the mode actuator retaining screws (1).
  3. Remove the mode actuator.

    4. Object Number: 817976 Size: SH
  4. Note the position of the door levers to the cam.

    5. The mode door levers must be in the same position in order to reassemble the mode actuator to the HVAC case.

Installation Procedure

    Object Number: 817976 Size: SH
  1. The mode door levers must be in the this position in order to reassemble the mode actuator to the HVAC case.
  2. Lubricate the pivots on the mode door levers and the channels on the mode actuator cam before assembling.

    3. Object Number: 292128 Size: SH
  3. Align the mode door levers with the cam slots, as noted on disassembly.
  4. Install the mode actuator to the HVAC module.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the mode actuator retaining screws (1).

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

  6. Install the instrument panel carrier. Refer to Instrument Panel Assembly Replacement in Instrument Panel, Gages, and Console.
  7. Re-calibrate the actuators. Refer to Actuator Recalibration .