GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1998 🢒 DeVille 🢒 Body and Accessories 🢒 Seats 🢒 Driver or Passenger Seat Cushion Frame Replacement

Removal Procedure
  1. Remove the seat assembly. Refer to Seat Replacement .
  2. Remove the seat back assembly. Refer to Seat Back Frame Replacement .

    3. Object Number: 401802 Size: SH
  3. Remove the seat cushion cover.
  4. Remove the foam.
  5. Remove the 4 gearnuts to the seat cushion frame nuts.
  6. Remove the seat recliners from the seat cushion frame.
  7. Remove the seat cushion frame.

Installation Procedure

    Object Number: 401802 Size: SH
  1. Install the seat cushion frame.
  2. Install the seat recliners.
  3. Install the four gearnuts to the seat cushion frame nuts.
  4. Install the seat cushion cover.

    5. Install the foam.

  5. Install the seat back assembly. Refer to Seat Back Frame Replacement .
  6. Install the seat assembly. Refer to Seat Replacement .