GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Body and Accessories 🢒 Seats 🢒 Seat Cushion Frame Replacement

Removal Procedure
  1. Remove the bucket seat from the vehicle. Refer to Bucket Seat Replacement .
  2. Remove the seat cushion cover and pad. Refer to Seat Cushion Trim Cover and Pad Replacement .
  3. Remove Lumbar support cable.

    4. Object Number: 300213 Size: SH
  4. Remove the seat back hinge bolts from the right side of the seat frame.

    5. Object Number: 300209 Size: SH
  5. Remove the seat back hinge bolts from the left side of the seat frame.
  6. Remove the seat cushion frame from the seat back frame.

Installation Procedure
  1. Install the seat cushion frame to the seat back frame.

    2. Object Number: 300209 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.

  2. Install the seat back hinge bolts to the left side of the seat frame.

    3. Tighten
    Tighten the seat back hinge bolts to the left side of the seat frame to 30 N·m (22 lb ft).


    Object Number: 300213 Size: SH
  3. Install the bolts to the right side of the seat frame.

    4. Tighten
    Tighten the seat back hinge bolts to the right side of the seat frame to 30 N·m (22 lb ft).

  4. Install the lumbar support cable.
  5. Install the seat cushion cover and pad . Refer to Seat Cushion Trim Cover and Pad Replacement .
  6. Install the bucket seat in the vehicle. Refer to Bucket Seat Replacement .