GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the front seat backrest. Refer to Front Seat Back Replacement .
  2. For vehicles equipped with lumbar support adjusters, remove the lumbar support adjuster rotary knob.

  3. Object Number: 1948687  Size: LF
  4. For vehicles equipped with an armrest, remove the armrest.
  5. • Fold down the drivers seat armrest, push armrest cover (1) to the side, pull safety clamp forward (2).
    • Remove the armrest.

    Object Number: 1948681  Size: LF
  6. For vehicle with active headrest, detach headrest guide sleeve.
  7. • Make release hook for active headrest guide sleeve using standard commercially available wire diameter 1-1.5 mm (0.04-0.06 in).
    • Mark insert depth of 50-55 mm (0.078-0.085 in).
    • Insert active headrest release hook opposite the release knob of the guide sleeve, release guide sleeve and remove upwards.

    Object Number: 1948701  Size: SH
  8. For vehicles without active headrest, detach headrest guide sleeve .
  9.    Important: Do not damage the upholstery.

    • Carefully insert two small flat-head screwdrivers into the outsides of the headrest guide sleeve and compress the retaining lugs (I).
    • Remove the headrest guide sleeve upwards.

    Object Number: 1938679  Size: LH
  10. Detach the upholstery.
  11. 6.1. Detach the upholstery from around seat frame.
    6.2. Detach the 11 upholstery clamps.
    6.3. Remove the upholstery .

    Object Number: 1939266  Size: SH
  12. Carefully detach the heater mat (1) from padding.

Installation Procedure

  1. Glue the heater mat to padding.
  2. Attach the upholstery.
  3. Position the upholstery .
  4. Attach the 11 upholstery clamps.

  5. Install the headrest guide sleeve.
  6. Push the headrest guide sleeve until it engages in front seat backrest.

  7. For vehicles equipped with armrest, attach the armrest.
  8. • Attach the clamp.
    • Insert the armrest.
  9. For vehicles equipped with lumbar support adjuster, install lumbar support adjuster wheel.
  10. Attach the knob.

  11. Attach the front seat backrest. Refer to Front Seat Back Replacement .