GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the radiator grille. Refer to Grille Replacement in Engine Cooling.
  2. Remove the radiator air intake baffle. Refer to Air Intake Baffle Replacement - Radiator in Engine Cooling.
  3. Remove the bumper impact bar to the frame nuts and bolts.
  4. Remove the bumper impact bar to the brace nuts and bolts.
  5. Remove the bumper impact bar from the vehicle.

  6. Object Number: 3815  Size: SH
  7. Remove the side extensions from the bumper impact bar, if equipped. Refer to Front Bumper Impact Bar Extension Replacement .

Installation Procedure

  1. Install the side extensions to the bumper impact bar, if equipped. Refer to Front Bumper Impact Bar Extension Replacement .

  2. Object Number: 3815  Size: SH
  3. Install the bumper impact bar to the vehicle.
  4. 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.

  5. Install the bumper impact bar to the frame and bolts and nuts.
  6. Tighten
    Tighten the bumper impact bar to the frame bolts to 40 N·m (30 lb ft).

  7. Install the bumper impact bar to the brace nuts and the bolts.
  8. Tighten
    Tighten the bumper impact bar to the brace bolts to 40 N·m (30 lb ft).

  9. Install the radiator air intake baffle. Refer to Air Intake Baffle Replacement - Radiator in Engine Cooling.
  10. Install the radiator grille. Refer to Grille Replacement in Engine Cooling.