Removal Procedure

Remove the seat assembly from the vehicle. Refer to Seat Replacement - Front Bucket .
Remove the seat trim panel. Refer to Seat Cushion Outer Trim Panel Replacement .
Remove the seat back cover and pad. Refer to Seat Back Cover and Pad Replacement - Front .
Pull the cover half-way up the seat back.
Remove the lumbar cable (2) from the cable clip (1) located on the lower seat back.

Fig 1: View Of Lumbar Cable & Clip
Courtesy of GENERAL MOTORS CORP.
Pull the seat back panel and pad away from the frame to expose the lumbar mechanism.

Fig 2: Locating Lumbar Mechanism
Courtesy of GENERAL MOTORS CORP.
Remove the cable from the lumbar spring.
Unhook the cable end from the lumbar mechanism.

Fig 3: Identifying Lumbar Mechanism Cable End
Courtesy of GENERAL MOTORS CORP.
Remove 2 screws (1) securing the cable to the seat adjuster.

Fig 4: Removing/Installing Seat Adjuster Cable Retaining Screws
Courtesy of GENERAL MOTORS CORP.