GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Envoy - 4WD
🢒
Seats
🢒
Seat Hardware, Trim, and Upholstery
🢒 Lumbar Support Knob Replacement
Removal Procedure
Open the door.
Remove the lumbar knob by pulling the knob (1) off the shaft.
Installation Procedure
Press the knob (1) onto the shaft.