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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 106 (Seat System) >> Repair Instructions >> Seat Adjuster Replacement - Front (Two-Way Manual) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install a crossbrace to the left and the right adjusters.
  2. Ensure that the tab bending downward at the center of the crossbrace faces the rear of the adjusters.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Secure the crossbrace with two bolts.

    Tighten:  Tighten the crossbrace bolts to 6 N.m (53 lb in).

  5. Fig 1: Adjuster, Seat Cushion Frame & Crossbrace Bolts
    GM310454Courtesy of GENERAL MOTORS CORP.
  6. Install the crosswire and assist springs.
  7. IMPORTANT: Install the right and left seat adjuster sliding mechanism in the same position that the mechanism had when you attached the adjuster-to-seat bottom frame.
    Install the adjuster assembly to the floorpan attachments before you attach the adjusters to the seat. Use the floorpan as a guide during assembly in order to ensure correct adjuster alignment. The floorpan will act as an assembly fixture.
  8. Install the adjuster assembly to the floorpan.
  9. Install the bolts which secure the seat adjuster to the floorpan.

    Tighten:  Tighten the bolts to 42 N.m (31 lb ft).

  10. Install the 2 adjuster cover plates.
  11. Fig 2: Adjuster Cover Plates
    GM864992Courtesy of GENERAL MOTORS CORP.
  12. Position the seat frame on the adjuster.
  13. Install the 4 bolts which secure the seat frame to the adjuster.

    Tighten:  Tighten the bolts to 24 N.m (18 lb ft).

  14. Fig 3: Front Seat Pan Bolts
    GM865020Courtesy of GENERAL MOTORS CORP.
  15. Install the seat cushion cover and pad. Refer to Seat Cushion Replacement - Front .
  16. Install the seat belt bracket (2).
  17. Install the seat belt pretensioner. Refer to Seat Belt Buckle Pretensioner Replacement in SIR.
  18. Fig 4: Seat Belt Bracket & Seat Belt Pretensioner
    GM802619Courtesy of GENERAL MOTORS CORP.
  19. Install the front seat trim panel. Refer to Trim Panel Replacement - Front Seat .
  20. Install the front seat in the vehicle. Refer to Seat Replacement - Front Bucket .