GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 63735  Size: SH
  1. Remove the roof lift off panel to provide additional space for seat removal. Refer to Roof Lift Off Panel Replacement in Roof.
  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. Remove the rivet retaining the lumbar pump, if equipped.
    7.3. Reach under the seat and cut the tie strap attaching the front motor bracket to the adjuster cross bar.
    7.4. Bend the bracket ends inward and slide the bracket off the adjuster transmissions.
    7.5. Pull the forward motor cables from the adjusters.
    7.6. Insert one end of a removed cable into a low speed drill and insert the other end into the adjuster.
    7.7. 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 and power seat switch. Refer to Power Seat Switch Replacement .
    8.3. Reach under the seat cushion and cut the 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. Disconnect the hose connectors from the lumbar pump.
    8.7. Remove the Seat Control Module from the seat.
    8.8. Disconnect the seat belt harness rosebud clip (drivers seat).
    8.9. Remove the seat.

    Object Number: 71218  Size: SH
  13. Remove the nuts attaching the rear adjuster legs.
  14. Disconnect the seat electrical connector.
  15. Important: Do Not grasp the lumbar pump when removing the seat and/or the adjuster. Lift the seat by the seat frame or an adjuster leg.

  16. Remove the seat and/or the adjuster.
  17. Transfer parts as necessary.

Installation Procedure


    Object Number: 71218  Size: SH
  1. Install the adjuster(s) if removed. Refer to Front Seat Adjuster Mechanism .
  2. Install the seat cushion cover, if removed, Refer to Front Seat Cushion Cover Replacement .
  3. Install the buckle side of the seat belt, if removed. Refer to Driver Seat Buckle in Restraints.
  4. Install the front motor bracket and lumbar pump retaining rivet, if removed.
  5. Position the seat forward on the adjuster(s).
  6. Position the seat adjusters on the rear studs.
  7. Connect the electrical connector.
  8. Install the nut to the rear inboard stud  (net locating stud).
  9. Install the nut to the rear outboard stud.
  10. Tighten
    Tighten the adjuster mounting nuts to 50 N·m (37 lb ft).

    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.


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

  14. Snap the covers over the adjuster legs.
  15. Secure the covers with push pins.

  16. Object Number: 63735  Size: SH
  17. Install the roof lift off panel. Refer to Roof Lift Off Panel Replacement in Roof.