GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Bonneville 🢒 Body and Accessories 🢒 Bumpers 🢒 Front Bumper Impact Bar Replacement

Removal Procedure

    Object Number: 428778 Size: SH
  1. Open the hood.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the front bumper fascia. Refer to Front Bumper Fascia Replacement .
  4. Remove the fasteners retaining the front bumper impact bar to the front bumper impact bar bracket.
  5. Remove the front bumper impact bar.

Installation Procedure

    Object Number: 428778 Size: SH
  1. Install the front bumper impact bar.

    2. 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.

  2. Install the fasteners to retain the front bumper impact bar to the bracket.

    3. Tighten
    Tighten the fasteners to 25 N·m (18 lb ft).

  3. Install the front bumper fascia. Refer to Front Bumper Fascia Replacement .
  4. Lower the vehicle.
  5. Close the hood.