GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Avalanche - 4WD 🢒 Body and Accessories 🢒 Seats 🢒 Lumbar Switch Replacement

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. Remove the lumbar switch screws from the power seat switch bezel.
  3. Remove the lumbar switch.

Installation Procedure
  1. Install the lumbar switch to the power seat switch bezel.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the lumbar switch screws.

    3. Tighten
    Tighten the screws to 2 N·m (18 lb in).


    Object Number: 409526 Size: SH
  3. Install the power seat switch bezel (1) to the seat. Refer to Driver Seat and Passenger Seat Adjuster Switch Bezel Replacement .