GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Preface 🢒 Cautions and Notices 🢒 Seat Belt Replacement - Driver or Passenger

Removal Procedure

    Caution: Refer to SIR Caution in the Preface section.

  1. Remove the front seat back trim cover. Refer to Front Seat Back Trim Replacement in Seats.

    2. Object Number: 518884 Size: SH
  2. Remove the rear half of the shoulder belt post trim (1) by applying upward pressure in order to release the trim cover (1).

    3. Object Number: 518883 Size: SH
  3. Remove the shoulder belt tower close-out ring (1) by pulling up on the rear of the close-out ring (1) in order to release the hold-down retainer and to remove the close-out ring.

    4. Object Number: 518886 Size: SH
  4. Remove the front half of the shoulder belt post trim (2) by removing the 3 fasteners (1) from the cover.
  5. Remove the seat back cover J channels from the top and from both sides of the seat back.

    6. Object Number: 518888 Size: SH
  6. Remove the seat cover from the upper trim retainer (2).
  7. Remove the 2 fasteners (1) from the upper trim retainer (2).

    8. Object Number: 518889 Size: SH
  8. Separate the upper trim retainer halves and remove both halves of the upper trim retainer from the seat.
  9. Inscribe a mark on the seat back frame above the upper trim retaining bracket in order to ensure proper alignment of the bracket during reassembly.

    10. Object Number: 518893 Size: SH
  10. Remove the fastener  (2) from the upper seat belt retractor (1).
  11. Remove the upper seat belt retractor (1) from the seat frame.

    12. Object Number: 518896 Size: SH
  12. Remove the push pin retainer (1) from the front edge of the lower seat belt retractor trim cover (2).
  13. Release the rear of the lower seat belt retractor trim cover (2) and remove the lower seat belt retractor trim cover.

    14. Object Number: 518897 Size: SH
  14. Release the tabs and remove the lower seat belt guide (1) from the lower seat belt retractor.

    15. Object Number: 547130 Size: SH
  15. Remove the upper rivet (1) from the lower seat belt guide bracket (2) and rotate the seat belt guide bracket in order to allow clearance for the lower seat belt retractor to be removed.

    16. Object Number: 519538 Size: SH
  16. Remove the fastener (2) from the lower seat belt retractor (1).
  17. Remove the lower seat belt retractor (1).
  18. Remove the seat belt retractors and the trim assembly from the vehicle.

Installation Procedure
  1. Ensure that the seat belt is not twisted before installing the lower retractor.

    2. Object Number: 519538 Size: SH
  2. Install the lower seat belt retractor (1) to the mounting stud.

    3. Ensure that the anti-rotation tab on the seat belt retractor is located properly in the seat frame before tightening the retractor fastener.

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the fastener (2).

    4. Tighten
    Tighten the fastener to 55 N·m (41 lb ft).

  4. Align the seat belt guide bracket with the seat frame, and install a new rivet.

    5. Object Number: 518897 Size: SH
  5. Install the lower retractor seat belt guide cover (1).

    6. Object Number: 518896 Size: SH
  6. Install the lower retractor trim cover (2).
  7. Install the push-pin fastener (1).

    8. Important: The upper trim bracket must be parallel with the seat back frame upper cross member in order for the remaining trim to fit properly.


    Object Number: 518899 Size: SH
  8. Install the upper trim retaining bracket (1).

    9. Align the upper trim bracket with the mark inscribed during disassembly.

  9. Position the upper shoulder belt retractor over the seat belt roller.

    10. Ensure that the seat belt is not twisted.


    Object Number: 518893 Size: SH
  10. Install the upper shoulder belt retractor (1).

    11. Ensure that the anti-rotation tab on the seat belt retractor and the upper trim retaining bracket are located properly on the seat frame before tightening the retractor fastener.

  11. Install the fastener (2).

    12. Tighten
    Tighten the fastener to 55 N·m (41 lb ft).


    Object Number: 518889 Size: SH
  12. Install the upper trim retainer over the upper shoulder belt retractor.

    13. Object Number: 518888 Size: SH
  13. Install the upper trim fasteners (1).

    14. Tighten
    Tighten the fasteners (1) to 1.4 N·m (12 lb in).

  14. Ensure that the upper trim bracket and mounting fasteners do not interfere with the proper operation of the upper seat belt retractor
  15. Install the seat back cover over the trim retainer (2).
  16. Install the J channels to the seat frame.

    17. Object Number: 518886 Size: SH
  17. Install the front half of the shoulder belt post trim (2).

    18. Tighten
    Tighten the fasteners (1) to 1.4 N·m (12 lb in).


    Object Number: 518883 Size: SH
  18. Install the shoulder belt tower close-out ring (1).

    19. Object Number: 518884 Size: SH
  19. Install the rear half of the shoulder belt tower post trim cover (1).
  20. Install the front seat back trim cover. Refer to Front Seat Back Trim Replacement in Seats.
  21. Confirm proper operation of the seat belt retractors.