GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 Rendezvous - FWD 🢒 Seats 🢒 Seat Hardware, Trim, and Upholstery 🢒 Front Seat Lumbar Support Replacement

Removal Procedure
  1. Remove the front seat. Refer to Bucket Seat Replacement .
  2. Remove the front seat back cover. Refer to Front Seat Back Cushion Cover Replacement .
  3. Remove the front seat back pad. Refer to Front Seat Back Cushion Pad Replacement .

    4. Important: The lumbar support must be in the relaxed position to remove the control cable.


    Object Number: 627458 Size: SH
  4. Remove the lumbar control cable from the lumbar control.

    5. Object Number: 627466 Size: SH
  5. Remove the lumbar support from the front seat back by compressing the lumbar support push-in retainers.

    6. Object Number: 627469 Size: SH
  6. Remove the lumbar support from the front seat back.

Installation Procedure

    Object Number: 627469 Size: SH
  1. Install the lumbar support to the mounting holes in the front seat back.
  2. Install the lumbar support to the front seat back, pressing into place until fully seated.

    3. Object Number: 627458 Size: SH
  3. Install the lumbar support cable to the lumbar support control.

    4. Object Number: 627457 Size: SH
  4. Install the lumbar support cable to the lumbar support control.
  5. Install the front seat back pad. Refer to Front Seat Back Cushion Pad Replacement .
  6. Install the front seat back cover. Refer to Front Seat Back Cushion Cover Replacement .
  7. Install the front seat. Refer to Bucket Seat Replacement .