GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express 🢒 Seats 🢒 Seat Hardware, Trim, and Upholstery 🢒 Rear Seat Adjuster Track Replacement

Removal Procedure

Note: 

   • The nuts that retain the rear passenger seat floor rail on the left hand side of the vehicle can be accessed from underneath the vehicle.
   • The right hand side rear passenger seat floor rails are similar, but require that the heat shields be removed for access to the floor rail nuts.
   • The 12 passenger extended van and the 15 passenger van reinforcements are used along with the rear seat floor rails. The reinforcements are installed on the underside of the vehicle to the floor rail studs, and held in place by the floor rail retaining nuts. If you remove the reinforcements, reinstall the reinforcements.

  1. Remove the rear passenger seats from the vehicle. Refer to Rear Bench Seat Replacement.
  2. Raise the vehicle and support the vehicle with safety stands. Refer to Lifting and Jacking the Vehicle.
  3. Remove the spare tire from the vehicle.
  4. Remove the heat shields from the vehicle. Refer to Exhaust Heat Shield Replacement - Frame.

    5. Object Number: 333681 Size: SH
  5. Remove the nuts (3) that retain the floor rail to the floor of the vehicle.

    6. Object Number: 333680 Size: SH
  6. Remove the rear seat track reinforcements from the seat track studs (12 and 15 Passenger).
  7. Lower the vehicle.

    8. Object Number: 333685 Size: SH
  8. Remove the rear floor mat/carpet. Refer to Rear Floor Mat/Carpet Replacement.

    9. Object Number: 333686 Size: SH
  9. Remove the floor rail (1, 2) from the vehicle.

Installation Procedure

    Object Number: 333681 Size: SH
  1. Position the floor rail (2) to the vehicle.
  2. Install the rear floor mat/carpet. Refer to Rear Floor Mat/Carpet Replacement.
  3. Raise the vehicle and support the vehicle with safety stands. Refer to Lifting and Jacking the Vehicle.

    4. Object Number: 333680 Size: SH
  4. Install the rear seat track reinforcements to the seat track studs  (12 and 15 Passenger).

    5. Object Number: 333686 Size: SH
  5. Inspect the nuts (3) in order to ensure that the sealer is intact.
  6. If the sealer is not intact, apply a medium bodied sealer to the nuts before installing.

    7. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 333685 Size: SH
  7. Install the nuts to retain the floor rail to the vehicle and tighten to 43 N·m (32 lb ft).
  8. Install the heat shields to the vehicle. Refer to Exhaust Heat Shield Replacement - Frame.
  9. Install the spare tire to the vehicle.
  10. Remove the safety stands.
  11. Lower the vehicle.
  12. Install the rear passenger seats to the vehicle. Refer to Rear Bench Seat Replacement.