GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the lumbar control knob. Refer to Lumbar Support Knob Replacement .

  2. Object Number: 479518  Size: SH
  3. Unhook the J channel (2) and pull up the seat back cover (1) to access the lumbar support.
  4. Important: The lumbar support must be in the relaxed position to remove the control cable.


    Object Number: 954214  Size: SH
  5. Remove the lumbar control cable (3) from the lumbar control (4).
  6. Remove the lumbar support (2) from the front seat back (5) by compressing the four lumbar support push-in retainers (1).

Installation Procedure


    Object Number: 954214  Size: SH
  1. Install the lumbar support (2) with the push in retainers (1) to the seat back frame (5).
  2. Push in the retainers (1) into place until fully seated.
  3. Install the lumbar support cable (3) to the lumbar support control (4).

  4. Object Number: 479518  Size: SH
  5. Pull down the front seat back cover (1) and refasten the J channel (2).
  6. Install the armrest. Refer to Armrest Replacement .
  7. Install the lumbar control knob. Refer to Lumbar Support Knob Replacement .