GM Service Manual Online
For 1990-2009 cars only

Rear Bumper Impact Bar Replacement Utility

Removal Procedure


    Object Number: 3845  Size: SH
  1. Remove the rear bumper step pads. Refer to Rear Bumper Step Pad Replacement .
  2. Remove the license plate lamps. Refer to Rear License Lamp Replacement in Lighting Systems.
  3. Remove the nuts and the bolts that retain the rear bumper impact bar to the bumper bracket.
  4. Remove the rear bumper impact bar from the vehicle.

Installation Procedure


    Object Number: 3845  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.

  1. Install the rear bumper impact bar to the vehicle as follows:
  2. 1.1. Position the bumper impact bar on the bumper brackets so that the holes in the impact bar are aligned with the bracket holes.
    1.2. Install 2 bolt plates and 4 nuts on top of the impact bar.
    1.3. Install 2 bolt and nuts through the bottom of the impact bar.

    Tighten
    Tighten the rear bumper impact bar nuts to 90 N·m (66 lb ft).

  3. Install the license plate lamps. Refer to Rear License Lamp Replacement in Lighting Systems.
  4. Install the rear bumper step pads. Refer to Rear Bumper Step Pad Replacement .