Rear Seat Back Cushion Frame Replacement TrailBlazer, Envoy, Bravada

1. Remove the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .
2. Remove the latch release assembly. Refer to Rear Number 1 Seat Back Release Latch Replacement .
3. Remove the head restraint retractor assembly. Refer to Rear Seat Number 1 Head Restraint Retractor Assembly Replacement .
4. Remove the seat back hinge brackets. Refer to Rear Seat Back Cushion Hinge Replacement .
5. Remove the seat belt retractor assembly, on the left side only. Refer to Seat Belt Retractor Replacement - No. 1 Center Rear in Seat Belts.



6. Remove the latch release cable (1), and the head rest restraint cable (2) from the left-hand hinge bracket.



7. Remove the latch release cables from the right-hand hinge bracket.

1. Install the latch release cable to the right-hand hinge bracket.



2. Install the seat belt retractor assembly, on the left side only. Refer to Seat Belt Retractor Replacement - No. 1 Center Rear in Seat Belts.
3. Install the seat back hinge brackets. Refer to Rear Seat Back Cushion Hinge Replacement .
4. Install the head restraint retractor assembly. Refer to Rear Seat Number 1 Head Restraint Retractor Assembly Replacement .
5. Install the latch release assembly. Refer to Rear Number 1 Seat Back Release Latch Replacement .
6. Install the latch release cables (1) and the head rest restraint cable  (2) to the left-hand hinge bracket.
7. Install the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .

Rear Seat Back Cushion Frame Replacement TrailBlazer EXT, Envoy XL

1. Remove the screws from the inboard/outboard rear seat back cushion hinge covers.
2. Remove the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .



3. Remove the push pins (1) securing the seat back panel to the frame.
4. Remove the seat back panel.
5. Remove the rear center seat belt retractor assembly, if you are removing the frame from the left-hand rear seat. Refer to Seat Belt Retractor Replacement - No. 1 Center Rear in Seat Belts.



6. Remove the seat back cushion mounting bolts (2) securing the rear seat back frame to the inboard/outboard rear seat back cushion hinge assembly.

Notice: Refer to Fastener Notice in the Preface section.




1. Install the seat back cushion mounting bolts (2) securing the rear seat back frame to the inboard/outboard rear seat back cushion hinge assembly.

Tighten
Tighten all rear seat back cushion mounting bolts to 25 N·m (18 lb ft).

2. Install the rear center seat belt retractor assembly, if you are replacing the frame from the left-hand rear seat. Refer to Seat Belt Retractor Replacement - No. 1 Center Rear in Seat Belts.



3. Install the seat back panel to the frame with push pins (1).
4. Install the seat back cover and pad to the seat back. Refer to Rear Seat Back Cushion Cover and Pad Replacement .



5. Install the inboard/outboard rear seat back cushion hinge covers with the three screws.

Tighten
Tighten the seat back cushion hinge cover screws to 2 N·m (18 lb in).