GM Service Manual Online
For 1990-2009 cars only

Lumbar Bladder Replacement Seat Back

Removal Procedure


    Object Number: 625742  Size: SH
  1. Remove the seat back cushion trim cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  2. Carefully peel the air bladder (2) from the seat cushion pad (1).

  3. Object Number: 625731  Size: SH
  4. Pull the air line connection through the hole in the seat back pad, and remove the air bladder from the seat back pad.

Installation Procedure


    Object Number: 625731  Size: SH
  1. Position the seat back air bladder over the seat pad, and feed the air line connection through the seat back pad.

  2. Object Number: 625742  Size: SH
  3. Install the air bladder (2) to the seat back pad (1).
  4. Install the seat back trim cover and pad to the seat frame. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .

Lumbar Bladder Replacement Seat Cushion

Removal Procedure


    Object Number: 518913  Size: SH
  1. Remove the seat cushion. Refer to Front Seat Cushion Replacement .
  2. Remove the seat cushion trim cover and pad. Refer to Front Seat Cushion Cover Replacement .
  3. Carefully peel the air bladder (1) from the seat cushion pad (2).

  4. Object Number: 625729  Size: SH
  5. Pull the air line connection through the hole in the seat bottom pad, and remove the air bladder from the seat bottom pad.

Installation Procedure


    Object Number: 625729  Size: SH
  1. Position the seat cushion bladder over the seat pad, and feed the air line connection through the seat bottom pad.

  2. Object Number: 518913  Size: SH
  3. Install the air bladder (1) to the seat bottom pad (2).
  4. Install the seat cushion trim cover and pad to the seat pan. Refer to Front Seat Cushion Cover Replacement .