GM Service Manual Online
For 1990-2009 cars only

Rear Seat Back Cushion Frame Replacement YC5 and YC6

Removal Procedure

  1. Remove the bench seat from the vehicle. Refer to Rear Bench Seat Replacement .
  2. Remove the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .
  3. Remove the headrest bushing. Refer to Bucket Seat Head Restraint Bushing Replacement .
  4. Remove the rear seat latch release cable. Refer to Rear Seat Back Cushion Latch Cable Replacement .

  5. Object Number: 502203  Size: SH
  6. Remove the right and left seat back frame hinge bolts.

  7. Object Number: 502139  Size: SH
  8. Remove the seat back frame.

Installation Procedure


    Object Number: 502139  Size: SH
  1. Install the seat back frame.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 502203  Size: SH
  3. Install the right and left seat back frame hinge bolts.
  4. Tighten
    Tighten the right and left seat back frame hinge bolts to 30 N·m (22 lb ft).

  5. Install the rear seat latch release cable. Refer to Rear Seat Back Cushion Latch Cable Replacement .
  6. Install the headrest bushing. Refer to Bucket Seat Head Restraint Bushing Replacement
  7. Install the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .
  8. Install the bench seat to the vehicle. Refer to Rear Bench Seat Replacement .

Rear Seat Back Cushion Frame Replacement YC7

Removal Procedure

  1. Remove the rear bench seat from the vehicle. Refer to Rear Bench Seat Replacement .
  2. Remove the seat back cover and pad. Refer to Rear Seat Back Cushion Cover and Pad Replacement .

  3. Object Number: 502203  Size: SH

    Important: Note the position and the length of the bolts removed. This will assist with reassembly.

  4. Remove the right and left bolts that retain the seat back frame to the seat back hinges.

  5. Object Number: 502122  Size: SH
  6. Remove the seat back frame.

Installation Procedure


    Object Number: 502122  Size: SH
  1. Install the seat back frame.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 502203  Size: SH
  3. Install the bolts that retain the seat back frame to the seat back hinges in the locations noted during disassembly.
  4. Tighten
    Tighten the bolts that retain the seat back frame to the seat back hinges to 30 N·m (22 lb ft).

  5. Install the seat back cover and pad. Refer to Rear Seat Cushion Cover and Pad Replacement .
  6. Install the bench seat in the vehicle. Refer to Rear Bench Seat Replacement .