GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Monte Carlo 🢒 Body and Accessories 🢒 Seats 🢒 Driver or Passenger Seat Cushion Frame Replacement

Removal Procedure
  1. Remove the front seat from the vehicle. Refer to the following procedures:
    2. •  Front Seat Replacement - Bucket
    •  Split Bench Seat Replacement
  2. Remove the front seat back from the front seat. Refer to Front Seat Back Replacement .
  3. Remove the front seat cushion cover from the front seat cushion. Refer to Front Seat Cushion Cover Replacement .
  4. Remove the front seat cushion from the front seat frame. Refer to Front Seat Cushion Replacement .
  5. Remove the front seat recliner assembly from the front seat cushion frame. Refer to Front Seat Recliner Replacement .

    6. Object Number: 305146 Size: SH
  6. Remove the bolts from the front seat cushion frame to the front seat track adjusters.
  7. Remove the front seat frame from the front seat track adjusters.

    8. Object Number: 521604 Size: SH
  8. For split bench, remove the bolts from the front seat frame to the front seat track adjusters.
  9. Remove the front seat cushion frame from the front seat track adjusters.

Installation Procedure
  1. Position the front seat cushion frame to the front seat adjusters.

    2. Object Number: 305146 Size: SH
  2. Install the bolts to the seat cushion frame to the front seat track adjusters.

    3. Object Number: 521604 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.

  3. For split bench, install the bolts to the front seat frame to the front seat track adjusters.

    4. Tighten
    Tighten the bolts to the front seat frame to 25 N·m (18 lb ft).

  4. Install the front seat recliner assembly to the front seat cushion frame. Refer to Front Seat Recliner Replacement .
  5. Install the front seat cushion to the front seat cushion frame. Refer to Front Seat Cushion Replacement .
  6. Install the front seat cushion cover to the front seat cushion. Refer to Front Seat Cushion Cover Replacement .
  7. Install the front seat back to the front seat. Refer to Front Seat Back Replacement .
  8. Install the front seat to the vehicle. Refer to the following procedures:
    9. •  Front Seat Replacement - Bucket
    •  Split Bench Seat Replacement