GM Service Manual Online
For 1990-2009 cars only

Lumbar Switch Replacement Lumbar/Bolster Switch

Removal Procedure


    Object Number: 409526  Size: SH
  1. Remove the power seat switch bezel containing the lumbar switch (1) from the seat. Refer to Driver Seat and Passenger Seat Adjuster Switch Bezel Replacement .
  2. Disconnect the electrical connector from the switch.
  3. Remove the lumbar switch screws from the power seat switch bezel.
  4. Remove the lumbar switch.

Installation Procedure

  1. Install the lumbar switch to the power seat switch bezel.
  2. Connect the electrical connector to the switch.
  3. Install the lumbar switch screws.
  4. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 409526  Size: SH
  5. Install the power seat switch bezel to the seat. Refer to Driver Seat and Passenger Seat Adjuster Switch Bezel Replacement .