GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 2020641  Size: SH
  1. Remove the rear seat back. Refer to Rear Seat Back Replacement .
  2. Remove the rear seat head restraint and head restraint guide bushes. Refer to Rear Seat Head Restraint Replacement and Rear Seat Head Restraint Replacement .
  3. Remove seat belt guide panel.

  4. Object Number: 2020642  Size: SH
  5. Remove caliper and J retainer.

  6. Object Number: 2020644  Size: SH
  7. Remove the rear seat back cover.

  8. Object Number: 2020645  Size: SH
  9. Remove caliper securing the blower onto the back frame, disconnect the electrical connector, take out the sear back frame from rear seat back cushion.

  10. Object Number: 2020647  Size: SH
  11. Separate the calipers between the blower and heater, remove blower.

  12. Object Number: 2020649  Size: SH
  13. Separate the heater from rear seat back cushion.

Installation Procedure


    Object Number: 2020649  Size: SH
  1. Install the heater onto the rear seat back cushion.

  2. Object Number: 2020647  Size: SH
  3. Install the blower to the heater.

  4. Object Number: 2020645  Size: SH
  5. Install the blower onto the back frame, connect the electrical connector, and install the rear seat back cushion onto the rear seat back frame.

  6. Object Number: 2020644  Size: SH
  7. Install the rear seat back cushion.

  8. Object Number: 2020642  Size: SH
  9. Install J retainer and reinstall calipers.

  10. Object Number: 2020641  Size: SH
  11. Install seat belt guide panel.
  12. Install the rear seat head restraint and head restraint guide bush. Refer to Rear Seat Head Restraint Replacement .
  13. Install the rear seat back. Refer to Rear Seat Back Replacement .