GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 282916  Size: SH
  1. Remove the accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gauges and Console.
  2. Remove the heating, ventilation and air conditioning (HVAC) control bolts.
  3. Gently pull the HVAC control out from the instrument panel (IP) far enough to access the following connections:
  4. • Vacuum
    • Electrical
    • Temperature cable

    Object Number: 282918  Size: SH
  5. Disconnect the vacuum harness connector from the vacuum selector valve.

  6. Object Number: 282917  Size: SH
  7. Disconnect the following electrical connectors from the HVAC control:
  8. • HVAC mode switch (1)
    • HVAC control illumination (2)
    • HVAC blower switch (3)
    • Rear defogger (4)
  9. Remove the temperature control cable (5) from the control.
  10. When releasing the control cable clips, use a small screwdriver to gently pry the cable from the control.

Installation Procedure


    Object Number: 282917  Size: SH
  1. Install the temperature control cable connector (5) to the control.
  2. Connect the following electrical connectors to the HVAC control:
  3. • Rear defogger (4)
    • HVAC blower switch (3)
    • HVAC control illumination (2)
    • HVAC mode switch (1)

    Object Number: 282918  Size: SH
  4. Connect the vacuum harness connector to the vacuum selector valve.

  5. Object Number: 282916  Size: SH
  6. Install the HVAC control.
  7. Install the HVAC control bolts.
  8. Tighten
    Tighten the HVAC control bolts to 2.2 N·m (19 lb in).

  9. Install the accessory trim plate. Refer to Instrument Panel Accessory Trim Plate Replacement in Instrument Panel, Gauges and Console.