GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Corvette 🢒 Body and Accessories 🢒 Seats 🢒 Seat Back Frame Replacement

Removal Procedure

    Object Number: 71222 Size: SH
  1. Remove the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .

    2. Object Number: 171522 Size: SH
  2. Remove the lumbar system inflator assembly from the seatback (Sport Seat).

    3. Object Number: 71219 Size: SH
  3. Position the seatback forward to remove tension from the actuator springs.
  4. Push down on the seat cushion to expose the hinge bolts nuts.
  5. Remove the hinge bolts nuts.
  6. Remove the release cables from the hinge bolts.
  7. Remove the actuators from the hinge bolts.
  8. Remove the hinge bolts and the seatback from the seat cushion frame.

    9. Object Number: 171524 Size: SH
  9. Remove the release cable mechanism by depressing the tabs and pushing the release lever out of the seatback frame.
  10. Pull the release lever cables out through the seatback frame.

Installation Procedure

    Object Number: 281998 Size: SH
  1. Insert the seatback cables through the seatback.

    2. Object Number: 71219 Size: SH
  2. Position the seatback frame to the seat cushion frame.
  3. Install the hinge bolts attaching the seatback, the actuators and the release cables, to the seat cushion frame.
  4. Apply locking compound to the hinge bolt threads.
  5. Install the hinge bolt nuts.

    6. Tighten
    Tighten the hinge bolt nuts to 22 N·m (16 lb ft).


    Object Number: 339493 Size: SH
  6. Install the lumbar inflator assembly to the seatback (sport seat).
  7. Install the seat back cover and pad. Refer to Front Seat Back Cushion Cover and Cushion Pad Replacement .