GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise the vehicle. Support the vehicle with suitable safety stands.
  2. Remove the rear bumper step pad from the bumper. Refer to Rear Bumper Step Pad Replacement .
  3. Remove the rear bumper from the vehicle. Refer to Rear Bumper Impact Bar Replacement .
  4. Mark the location of the inner bumper brace to the bumper.

  5. Object Number: 314797  Size: SH
  6. Remove the nuts (8) that retain the outer bumper brace (1) to the frame.
  7. Remove the nuts and the bolts (6) that retain the outer bumper brace to the bumper.
  8. Remove the bolts (10) that retain the inner bumper brace (2) to the bumper.
  9. Remove the outer (1) then the inner (2) bumper brace from the frame and the bumper.

Installation Procedure


    Object Number: 314797  Size: SH
  1. Install the outer (1) then the inner (2) bumper brace to the frame and bumper.
  2. Align the inner bumper brace with the marks made prior to removal.
  3. 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.

  4. Install the inner bumper brace retaining bolts to the bumper.
  5. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  6. Install the outer bumper brace retaining nuts and bolts (6) to the bumper.
  7. Tighten
    Tighten the nuts and the bolts to 50 N·m (37 lb ft).

  8. Install the outer bumper brace nuts (8) and stud plate (7) to the frame.
  9. Tighten
    Tighten the nuts to 50 N·m (37 lb ft).

  10. Install the rear bumper to the vehicle. Refer to Rear Bumper Impact Bar Replacement .
  11. Install the rear bumper step pad to the bumper. Refer to Rear Bumper Step Pad Replacement .
  12. Lower the vehicle.