GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Reposition the front half of the carpet aside. Refer to Front Floor Panel Carpet Replacement in Interior Trim.

  2. Object Number: 508435  Size: SH
  3. Release the rear floor air outlet duct (1) from the floor.
  4. Disconnect the rear floor air outlet duct from the heater outlet cover.
  5. Remove the rear floor air outlet duct.

Installation Procedure


    Object Number: 508435  Size: SH
  1. Install the rear floor air outlet duct (1).
  2. Connect the rear floor air outlet duct from the heater outlet cover.
  3. Position the floor duct into holes in floor reinforcement and press into place.
  4. Reposition the front carpet into position. Refer to Front Floor Panel Carpet Replacement in Interior Trim.