Sierra 1500 2WD V8-5.3L (2008)
Power Seat Motor: Service and Repair
Front Seat Lumbar Support Replacement
Front Seat Lumbar Support Replacement
The front seat lumbar support is serviced as part of the seat back assembly. If the lumbar support needs to be replaced the entire seat back frame kit will
need to be installed. Refer to Front Seat Back Frame Replacement.