GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Corvette 🢒 Body and Accessories 🢒 Seats 🢒 Seat Cushion Frame Replacement

Removal Procedure

    Object Number: 71215 Size: SH
  1. Remove the seat. Refer to Seat Replacement .
  2. Remove the buckle side of the seat belt from the seat frame.

    3. Object Number: 71223 Size: SH
  3. Remove the recliner handle.
    4. 3.1. With a suitable blunt ended tool inserted between the seat cushion and the handle push the handle retaining spring clip down.
    3.2. Pull the handle from the shaft.

    Object Number: 71221 Size: SH
  4. Remove the side trim panel (Power Seat). Refer to Front Seat Trim Panel Replacement .

    5. Object Number: 172298 Size: SH
  5. Remove the hog rings from the rear flap of the seat cushion cover.

    6. Object Number: 172293 Size: SH
  6. Raise the flap.
  7. Unfasten the draw string.
  8. Remove the hogrings attaching the rear corners of the seat cushion cover.
  9. Remove the cover and foam pad.
  10. Remove the seat module from the seat wires (Base Power Seat).

    11. Object Number: 339492 Size: SH
  11. Remove the lumbar pump and module and pull them up through the seat frame and lay them aside still attached to the seat back (Sport Seat).
  12. Remove the memory module from the seat wires (Optional Sport Seat).
  13. Mark the seat back actuators to identify the right side from the left side.
  14. Note the routing of the recliner mechanism cables.
  15. Position the seat back full up to remove the tension from the actuator springs.
  16. Remove the forward pins from the seat back actuators.

    17. Object Number: 71219 Size: SH
  17. Remove the hinge bolts.
  18. Remove the seat back.
  19. Reposition the actuators underneath the seat frame springs.

    20. Object Number: 71217 Size: SH
  20. Remove the seat cushion frame from the seat adjuster.
  21. Remove the recliner mechanism from the seat cushion frame.

    22. Object Number: 281999 Size: SH
  22. Remove the wire assembly from the seat cushion frame (if replacing or transferring the wire assembly).
    23. 22.1. Insert a screwdriver between the tension spring coils and pull toward the wires unhook the tension spring from the wire assembly.
    22.2. Unhook the wire assembly from the front of the seat cushion frame.

Installation Procedure

    Object Number: 71217 Size: SH
  1. Install the springs and wires to the seat cushion frame.
    2. 1.1. Center the wire assembly to the front of the seat cushion frame.
    1.2. Hook the tension springs into the rear of the seat frame.
    1.3. Insert a screwdriver between the tension spring coils, stretch the spring to hook the spring to the wire assembly.

    Object Number: 171527 Size: SH
  2. Install the recliner mechanism to the seat frame.

    3. Object Number: 71217 Size: SH
  3. Install the seat adjuster to the seat cushion frame.
  4. Loop and route the reclining mechanism cables under the seat cushion frame springs.

    5. Position the actuators with the arrow on the hinge end of the actuator pointing forward and with the release cable clip opening pointed downward.

  5. Insert the forward ends of the actuators into the actuator brackets.

    6. Object Number: 71219 Size: SH
  6. Install the seat back and the actuator to the seat cushion frame with the hinge bolts.
  7. Apply Loctite™ 271 to the hinge bolt threads.

    8. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  8. Install the hinge bolt nuts.

    9. Tighten
    Tighten the hinge bolt nuts to 24 N·m (18 lb ft).

  9. Install the pins to the forward ends of the actuators.

    10. Object Number: 339492 Size: SH
  10. Install the seat module (Base Power Seat).
  11. Install the lumbar pump and module (Sport Seat).
  12. Install the memory module (Optional Sport Seat).

    13. Object Number: 172296 Size: SH
  13. Position the trim cover over the seat cushion foam pad.
  14. Install the cover and foam pad to the seat cushion frame.
  15. Tighten the draw string at the rear of the seat cushion and securely tie the draw string.
  16. Install the hogrings attaching the rear side corners of the seat cushion trim cover.

    17. Object Number: 172298 Size: SH
  17. Install the hogrings attaching the rear center flap.

    18. Object Number: 71221 Size: SH
  18. Install the side trim panel (Power Seat). Refer to Front Seat Trim Panel Replacement .

    19. Object Number: 376637 Size: SH
  19. Install the recliner handle.
    20. 19.1. Position the handle retaining spring clip into the lock position.
    19.2. Snap the handle onto the reclining mechanism shaft.

    Object Number: 71215 Size: SH
  20. Install the buckle side of the seat belt to the seat frame.

    21. Tighten
    Tighten the seat belt buckle side mounting nut to 50 N·m (37 lb ft).

  21. Install the seat. Refer to Seat Replacement .