GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 63735  Size: SH
  1. Place a protective cover over the sill plate and door trim panel and/or remove the roof lift off panel (coupe), or lower the folding top (convertible), to provide additional space for seat removal.
  2. Tilt the steering wheel full up.

  3. Object Number: 71215  Size: SH
  4. Position the seat rearward.
  5. Remove the push pins and covers from the front of the adjuster legs.
  6. Remove the nuts from the front of the adjuster legs.

  7. Object Number: 71218  Size: SH
  8. Position the seat forward. If the rear adjuster nuts are accessible skip to step 9. If the seat will not move and the rear adjuster nuts are not accessible determine if the motor or the adjuster is the cause and perform step 7 or 8.
  9. If the power seat motor is inoperative and the rear adjuster nuts are not accessible preform the following steps.
  10. 7.1. Power up and raise the front of the power seat to gain access to the forward motor bracket.
    7.2. Reach under the seat and cut the tie strap attaching the front motor bracket to the torque tube.
    7.3. Bend the bracket ends inward and slide the bracket off the adjuster transmissions.
    7.4. Pull the forward motor cables from the adjusters.
    7.5. Insert one end of a removed cable into a low speed drill and insert the other end into the adjuster.
    7.6. With the low speed drill move the adjuster forward, alternating sides, until the rear adjuster nuts are exposed.

    Object Number: 171509  Size: SH
  11. If the seat adjuster is inoperative and the rear adjuster nuts are not accessible preform the following steps.
  12. 8.1. Remove the recliner handle. Refer to Driver Seat and Passenger Seat Recliner Handle Replacement .
    8.2. Remove the seat side trim panel. Refer to Front Seat Trim Panel Replacement .
    8.3. Reach under the seat cushion and cut the seat cover tie string (1) at the front center of the seat cushion.
    8.4. Lift the seat cushion cover and foam to access the 4 seat cushion to frame attaching bolts.
    8.5. Remove the seat cushion to frame attaching bolts.
    8.6. Cut the tie straps mounting the lumbar pump pouch and reposition the pump and pouch up through the seat support wires.
    8.7. Remove the memory seat control module from the seat.
    8.8. Disconnect the seat belt harness rosebud clip (drivers seat).
    8.9. Disconnect the electrical connectors.
    8.10. Remove the seat.

    Object Number: 71218  Size: SH
  13. Remove the nuts attaching the rear adjuster legs.
  14. Disconnect the seat electrical connector.
  15. Remove the seat and/or the adjuster.
  16. Transfer parts as necessary.

Installation Procedure


    Object Number: 71218  Size: SH
  1. Install the adjuster(s) to the seat if removed. Refer to Front Seat Adjuster Replacement .
  2. Install the seat cushion cover, if removed, Refer to Seat Cushion Trim Cover and Pad Replacement .
  3. Install the buckle side of the seat belt, if removed.
  4. Tighten
    Tighten the seat belt buckle side mounting nut to 50 N·m (37 lb ft).

  5. Install the front motor bracket, if removed.
  6. Install the lumbar pump, if removed.
  7. Position the seat forward on the adjuster(s).
  8. Position the seat with the adjuster on the rear studs.
  9. Lift the front of the seat and connect the electrical connector.
  10. Install the nut to the rear inboard stud  (net locating stud).
  11. 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.

  12. Install the nut to the rear outboard stud.
  13. Tighten
    Tighten the adjuster mounting nuts to 50 N·m (37 lb ft).


    Object Number: 71215  Size: SH
  14. Move the seat rearward.
  15. Install the nuts to the front adjuster legs.
  16. Tighten
    Tighten the adjuster mounting nuts to 50 N·m (37 lb ft).

  17. Snap the covers over the adjuster legs.
  18. Secure the covers with push pins.

  19. Object Number: 63735  Size: SH
  20. Remove the protective cover and/or install the roof lift off panel, or raise the convertible top.