GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat. Refer to Seat Replacement .
  2. Place the seat on a clean protected surface.
  3. Remove the seat cushion and the cover if necessary. Refer to Front Seat Cushion Replacement .
  4. Remove the memory seat module. Refer to Memory Seat Control Module Replacement .
  5. Disconnect the electrical connector.

  6. Object Number: 258236  Size: SH
  7. Remove the retaining washers from the pivot pins at each end of the motor assembly.
  8. Remove the pivot pins.
  9. Remove the front vertical adjuster motor (1).

Installation Procedure


    Object Number: 258236  Size: SH
  1. Install the front vertical adjuster motor (1).
  2. Install the pivot pins.
  3. Install the retaining washers.
  4. Connect the electrical connector.
  5. Install the memory seat module. Refer to Memory Seat Control Module Replacement .
  6. Install the seat cushion and the cover if necessary. Refer to Front Seat Cushion Replacement .
  7. Install the front seat. Refer to Seat Replacement .
  8. If the vehicle is equipped with memory seats, calibrate the seat. Refer to Memory Seat Calibration .