GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2000 🢒 Safari - 4WD 🢒 Body and Accessories 🢒 Frame and Underbody 🢒 Assist Step Rear Extension Replacement

Removal Procedure
  1. Raise the vehicle to a suitable height.
  2. Remove the front section of the assist step extension. Refer to Assist Step Plate Replacement .

    3. Object Number: 350672 Size: SH
  3. Remove the screws from the left rear outer edge of the assist step extension.
  4. Lift upward on the assist step extension until fully released from the retainer.

    5. Object Number: 394786 Size: SH
  5. Remove the screws from the right rear inner and outer wheel well.
  6. Open the sliding door to expose the screw.
  7. Lift upward on the assist step extension until fully released from the retainer.

    8. Object Number: 350668 Size: SH
  8. Remove the rear section of the assist step extension.

Installation Procedure

    Object Number: 350668 Size: SH

    Important: Use the following procedure when installing the assist step extension:

       • Check the height and the alignment to the rocker panel.
       • Check the height and the alignment to the rocker panel cladding and to the body. If the vehicle is equipped with assist steps, the cladding will be shorter across the bottom.

  1. Install the rear section of the assist step extension, align the rear edge of the assist step with the rear edge of the retainer and pushing downward until fully seated.

    2. Object Number: 350672 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.

  2. Install the screw to the left rear outer edge of the assist step extension. Lift upward on the assist step until fully released from the retainer.

    3. Tighten
    Tighten the screw to the left rear outer edge of the assist step extension to 2 N·m (18 lb in).


    Object Number: 394786 Size: SH
  3. Install the screws to the right rear inner and outer wheel well. Open the sliding door to expose the screw. Lift upward on the assist step extension until fully released from the retainer

    4. Tighten
    Tighten the screws to the right rear inner and outer wheel well to 2 N·m (18 lb in).

  4. Install the front section of the assist step extension. Refer to Assist Step Plate Replacement .
  5. Lower the vehicle.