GM Service Manual Online
For 1990-2009 cars only
  1. Remove the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges and Console.

  2. Object Number: 325487  Size: SH
  3. Remove the mode control cable from the clip at the HVAC module assembly.
  4. Set the mode dial to Defrost.
  5. Hold the door lever fully forward (counterclockwise).
  6. Install the cable to the clip.
  7. Test the cable for smooth operation.
  8. Test that the door opens fully in both directions.
  9. Install the knee bolster. Refer to Knee Bolster Replacement in Instrument Panel, Gauges and Console.