GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Envoy - 2WD 🢒 Seats 🢒 Seat Hardware, Trim, and Upholstery 🢒 Lumbar Support Knob Replacement

Removal Procedure
  1. Open the door.

    2. Object Number: 755840 Size: SH
  2. Remove the lumbar knob by pulling the knob (1) off the shaft.

Installation Procedure
Object Number: 755840 Size: SH

Press the knob (1) onto the shaft.