GM Service Manual Online
For 1990-2009 cars only

Running Board Replacement Utility

Removal Procedure


    Object Number: 589387  Size: SH
  1. Remove the bolts that attach the running board end caps to the body.
  2. Remove the bolts that secure the running board to the brackets.
  3. Remove the running boards from the vehicle.

  4. Object Number: 589389  Size: SH
  5. Loosen the bolts retaining the HVAC pipes in order to facilitate the removal the assist step brackets. Refer to Auxiliary Heater Pipe Replacement .
  6. Remove the bolts attaching the brackets to the vehicle.
  7. Remove the brackets.

Installation Procedure


    Object Number: 589389  Size: SH
  1. Install the brackets to the vehicle.
  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.

  3. Install the bolts that secure the brackets to the vehicle.
  4. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).


    Object Number: 589387  Size: SH
  5. Install the running board assembly to the vehicle.
  6. Install the bolts that secure the running boards to the brackets.
  7. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).

  8. Install the bolts retaining the HVAC pipes in order to facilitate the installation of the assist step brackets. Refer to Auxiliary Heater Pipe Replacement .
  9. Tighten
    Tighten the bracket bolts to 25 N·m (18 lb ft).

  10. Install the bolts that secure the end caps to the vehicle.
  11. Tighten
    Tighten the bolts to 25 N·m (18 lb ft).