GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Body and Accessories 🢒 Seats 🢒 Front Seat Lumbar Support Replacement

Removal Procedure
  1. Remove the seatback cover.

    2. Remove the cushion. Refer to Front Seat Back Trim Replacement


    Object Number: 315304 Size: SH
  2. Disconnect the electrical connectors (4).
  3. In order to release the power lumbar assembly (5), open the retainers on the 4 corners.
  4. Remove the power lumbar assembly (5).

Installation Procedure

    Object Number: 315304 Size: SH
  1. Install the power lumbar assembly (5).
  2. In order to retain the power lumbar assembly, close the retainers on the 4 corners.
  3. Connect the electrical connectors (4) .
  4. Install the seatback cover. Install the cushion. Refer to Front Seat Back Trim Replacement