GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 S/T Isuzu - 4WD 🢒 Body and Accessories 🢒 Bumpers 🢒 Rear Bumper Impact Bar Replacement

Removal Procedure
  1. Remove the rear bumper step pad. Refer to Rear Bumper Step Pad Replacement .
  2. Remove the license plate lamps. Refer to Rear License Lamp Replacement .

    3. Object Number: 3832 Size: SH
  3. Remove the nuts and the bolts that retain the bracket to the bumper.
  4. Remove the nuts and the bolts that retain the brace to the bumper.
  5. Remove the bumper impact bar from the vehicle.
  6. Remove the rubber grommet and the license plate spacers from the bumper.
  7. Remove the following components that retain the brace to the frame:
    8. • The nuts
    • The washers
    • The bolts
  8. Remove the brace.
  9. Remove the following components that retain the bracket to the frame:
    10. • The nuts
    • The washers
    • The bolts
  10. Remove the bracket.

Installation Procedure

    Object Number: 3832 Size: SH
  1. Install the bracket to the frame.

    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 following components that retain the bracket to the frame:
    3. • The bolts
    • The washers
    • The nuts

    Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  3. Install the brace to the frame.
  4. Install the following components that retain the brace to the frame:
    5. • The bolts
    • The washers
    • The nuts

    Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  5. Install the bumper impact bar to the vehicle.
  6. Install the nuts and the bolts that retain the brace to the bumper.

    7. Tighten
    Tighten the bolts to 27 N·m (20 lb ft).

  7. Install the bolts and the nuts that retain the bracket to the bumper.

    8. Center the bumper between the rear end caps.

    Tighten
    Tighten the bolts to 27 N·m (20 lb ft).

  8. Install the rubber grommet and the license plate spacers to the bumper.
  9. Install the license plate lamps. Refer to Rear License Lamp Replacement in Lighting Systems.
  10. Install the rear bumper step pads. Refer to Rear Bumper Step Pad Replacement .