GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Eighty Eight 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Seat Back Cushion Replacement

Removal Procedure
  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement .

    2. Object Number: 314108 Size: SH
  2. Remove the following components from the inner studs:
    3. • The lap belt nuts (3)
    • The lap belts (4)
  3. Remove the push-nuts from the outer studs.
  4. Remove the rear seat back from the vehicle.

    5. Object Number: 314109 Size: MH
  5. Perform the following steps in order to remove the armrest (6), if applicable:
    6. 5.1. Remove the bolts (5) from the seat back.
    5.2. Remove the pivot screws (4).
    5.3. Remove the armrest (6).
  6. Remove the hog rings (7) from the seat back frame
  7. Disengage the hook and loop strips (2).
  8. Remove the cover (1).

Installation Procedure

    Object Number: 314109 Size: MH
  1. Install the cover (1) over the pad (3). Align the locating holes (8) in the cover to the work lines (9) in the pad.
  2. Install the hog rings (7).

    3. Work outward toward the corners until you have installed all of the hog rings.

  3. Turn over the seat.

    4. Engage the hook and loop strips (2).

  4. Perform the following steps in order to install the armrest (6), if applicable:
    5. 4.1. Secure the armrest (6) to the support with pivot screws (4).
    4.2. Attach the armrest (6) to the seat back with bolts (5).
  5. Install the rear seat back.

    6. Object Number: 314108 Size: SH

    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.

  6. Install the lap belt nuts (3).

    7. Tighten
    Tighten the lap belt nuts to 35 N·m (25 lb ft).

  7. Verify that the shoulder belts (4) operate freely.
  8. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement .