GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat. Refer to Front Seat Replacement - Bucket in Seats.
  2. Remove the front door sill plate. Refer to Front Side Door Sill Plate Replacement .
  3. Remove the footrest on the left side only.
  4. Remove the hinge pillar trim panel.
  5. Remove the 2 plastic retainers that secure the floor carpet at the bulkhead.

  6. Object Number: 487541  Size: SH
  7. Position the carpet (1) aside to access the floor duct.
  8. Remove the plastic retainers (3) and remove the rear floor heater duct.

Installation Procedure


    Object Number: 487541  Size: SH
  1. Install the rear floor heater duct (2) to the vehicle.
  2. Secure the rear floor heater duct with the fasteners.
  3. Reposition the floor carpet (1).
  4. Secure the floor carpet at the bulkhead with the 2 plastic retainers.
  5. Install the hinge pillar trim panel.
  6. Install the footrest on the left side only.
  7. Install the front door sill plate. Refer to Front Side Door Sill Plate Replacement .
  8. Install the front seat. Refer to Front Seat Replacement - Bucket in Seats.