GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Seville 🢒 Body and Accessories 🢒 Seats 🢒 Front Seat Lumbar Support Replacement

Front Seat Lumbar Support Replacement AL2

Removal Procedure

    Object Number: 315304 Size: SH
  1. Disable the SIR system. Refer to Disabling the SIR System in SIR.
  2. Remove the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .

    3. Important: Note the location and position of the power lumbar support and heated seat wiring for proper installation location.

  3. Disconnect the power lumbar support (4) and heated seat electrical connectors.
  4. Remove the retainer clips securing the power lumbar support (5) to the seat back frame (2).
  5. Remove the power lumbar support (5) from the seat frame.

Installation Procedure

    Object Number: 315304 Size: SH
  1. Install the power lumbar support (5) to the seat back frame (2).
  2. Install the 6 retaining clips in order to secure the power lumbar support to the seat back frame.
  3. Route the power lumbar and heated seat electrical connectors (4) through the seat cushion frame.
  4. Connect the electrical connectors.
  5. Install the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  6. Verify the operation of the power lumbar support.

Front Seat Lumbar Support Replacement AM3

Removal Procedure

    Important: The massaging lumbar module is not serviced separately from the massaging lumbar support.

  1. Remove the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .

    2. Important: Note the location and position of the massaging lumbar and heated seat wiring for proper installation location.

  2. Disconnect the massaging lumbar and heated seat electrical connectors.

    3. Object Number: 547156 Size: SH
  3. Remove the retainer clips (2) securing the massaging lumbar support (1) to the seat back frame.

    4. Object Number: 547160 Size: SH
  4. Remove the massaging lumbar support from the seat back frame.

Installation Procedure

    Object Number: 547156 Size: SH
  1. Install the massaging lumbar support to the seat back frame.
  2. Install the 6 retaining clips (2) in order to secure the massaging lumbar support (1) to the seat back frame.
  3. Re-route the massaging lumbar and heated seat electrical connectors through the seat cushion frame.
  4. Connect the electrical connectors.
  5. Install the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .
  6. Verify the operation of the massaging lumbar support.