GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Body and Accessories 🢒 Seats 🢒 Front Seat Recliner Actuator Motor Replacement

Removal Procedure

    Caution: When you are performing service on or near the SIR components or the SIR wiring, you must disable the SIR system. Refer to Disabling the SIR System. Failure to follow the correct procedure could cause air bag deployment, personal injury, or unnecessary SIR system repairs.

  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove the front seat. Refer to Front Seat Replacement - Bucket .
  3. Remove the inner seat adjuster track cover. Refer to Front Seat Adjuster Track Finish Cover Replacement .
  4. Remove the inner recliner trim cover. Refer to Front Seat Adjuster Track Finish Cover Replacement .

    5. Object Number: 683367 Size: SH
  5. Partially remove the seat back cover and pad in order to gain access to the power recliner motor. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  6. Remove the cardboard backer from the rear seat back by lifting straight up and out.

    7. Important: Note the routing of the wiring harness for reinstallation, failure to route the wiring harness properly could result in damage to the wiring.

  7. Disconnect the electrical connectors from the power recliner motor and recliner position sensor if equipped.

    8. Object Number: 683390 Size: SH
  8. Remove the push-on nut (2) on the end of the recliner rod.
  9. Remove the fastener (1) securing the power recliner motor to the seat back frame.

    10. Object Number: 683329 Size: SH
  10. Slide the recliner rod (2) out of the seat back recliner and the power recliner motor (4).
  11. Remove the power recliner motor from the seat.
  12. Remove the recliner position sensor (5) from the recliner motor, if equipped.

Installation Procedure

    Object Number: 683329 Size: SH
  1. Install the recliner position sensor (5) to the recliner motor (4), if equipped.
  2. Install the power recliner motor into the seat back frame.
  3. Slide the recliner rod (2) through the power seat back recliner motor and the recliner assembly.
  4. Install a new push on nut (6) to the end of the recliner rod.

    5. 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: 683390 Size: SH
  5. Install the power recliner motor fastener (1).

    6. Tighten
    Tighten the recliner motor fastener (1) to 9 N·m (80 lb in).

  6. Install the wiring harness in the position in which it was removed.
  7. Connect the electrical connector to the power recliner motor and recliner position sensor if equipped.
  8. Install the inner recliner trim cover. Refer to Front Seat Adjuster Track Finish Cover Replacement .

    9. Object Number: 683367 Size: SH
  9. Install the inner seat adjuster track cover. Refer to Front Seat Adjuster Track Finish Cover Replacement .
  10. Install the cardboard backer to the seat back frame.
  11. Install the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  12. Install the front seat. Refer to Front Seat Replacement - Bucket .
  13. Enable the SIR system. Refer to Enabling the SIR System in SIR.