GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 GMC Sierra Denali 🢒 Restraints 🢒 Seat Belts 🢒 Front Seat Center Belt Replacement

Caution: To avoid personal injury to the occupants of the vehicle, observe the following precautions:

   • More than one supplier's seat belts are used, therefore, install ONLY the seat belt components specified in the GM parts catalog.
   • To verify that the correct seat belt components were installed, insert the seat belt latch in the seat belt buckle. The latch must be fully seated and be retained in the buckle until purposely released.

Removal Procedure

    Object Number: 390149 Size: SH
  1. Remove the center front seat belt latch bolt.

    2. Remove the seat belt latch assembly from the vehicle.


    Object Number: 390150 Size: SH
  2. Remove the center front seat belt buckle bolt.
  3. Remove the buckle assembly from the seat.

Installation Procedure
  1. Install the seat belt buckle assembly to the center front seat.

    2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 390150 Size: SH
  2. Install the seat belt buckle bolt.

    3. Tighten
    Tighten the bolt to 53 N·m (39 lb ft).

  3. Install the seat belt latch assembly to the center front seat.

    4. Object Number: 390149 Size: SH
  4. Install the seat belt latch bolt.

    5. Tighten
    Tighten the bolt to 53 N·m (39 lb ft).