GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
1999
🢒
Chevy C Silverado - 2WD
🢒
Body and Accessories
🢒
Seats
🢒 Front Seat Lumbar Support Replacement
Front Seat Lumbar Support Replacement Manual
Removal Procedure
Remove the seat from the vehicle. Refer to
Front Seat Replacement - Bucket
.
Remove the head restraints and guides. Refer to
Front Seat Head Restraint Replacement
.
Remove the seat back cover and pad. Refer to
Front Seat Back Cushion Cover and Cushion Pad Replacement
.
Detach the lumbar clip from the top of the seat back frame.
Rotate the top of the lumbar mechanism forward in order to unclip the lumbar mechanism from the bottom of the seat back frame.
Disconnect the lumbar cable (6) from the lumbar actuator (5).
Remove the lumbar assembly from the vehicle.
Installation Procedure
Position the lumbar assembly to the seat.
Connect the lumbar cable (6) to the lumbar actuator (5).
Rotate the top of the lumbar mechanism in order to clip the lumbar mechanism onto the bottom of the seat back frame.
Attach the lumbar clip onto the top of the seat frame.
Install the seat back cover and pad. Refer to
Front Seat Back Cushion Cover and Cushion Pad Replacement
.
Install the head restraints and guides. Refer to
Front Seat Head Restraint Replacement
.
Install the front seat in the vehicle. Refer to
Front Seat Replacement - Bucket
.
Front Seat Lumbar Support Replacement Power Lumbar/Bolster
Removal Procedure
Remove the front seat from the vehicle. Refer to
Front Seat Replacement - Bucket
.
Remove the head restraints and guides. Refer to
Front Seat Head Restraint Replacement
.
Remove the seat back cover and pad. Refer to
Front Seat Back Cushion Cover and Cushion Pad Replacement
.
Drill out the rivet holes on the bolster paddles (1).
Detach the lumbar clip from the top of the seat frame.
Unsnap the lumbar wire from the bottom of the seat frame.
Disconnect the electrical connectors to the motors.
Remove the power lumbar/bolster assembly from the seat.
Installation Procedure
Position the power lumbar/bolster assembly on the seat.
Connect the electrical connectors to the motors.
Fasten the lumbar wire at the bottom of the frame.
Attach the lumbar clip onto the top of the seat frame.
Install the rivets to secure the bolster paddles (1).
Install the seat back cover and pad. Refer to
Front Seat Back Cushion Cover and Cushion Pad Replacement
.
Install the head restraints and guides. Refer to
Front Seat Head Restraint Replacement
.
Install the seat in the vehicle. Refer to
Front Seat Replacement - Bucket
.