GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Body Rear End 🢒 Pickup Box Side Panel Replacement - Front Step

Removal Procedure

    Object Number: 593909 Size: SH
  1. Use a flat-bladed tool in order to pry the step upward.
  2. Remove the step pad from the panel.

    3. Object Number: 593916 Size: SH
  3. Remove the rear brace from the step panel.
  4. Remove the forward brace from the step panel and the forward support bracket.

    5. Object Number: 593905 Size: SH
  5. Remove the screws that secure the step panel to the forward and rear support brackets.

    6. Object Number: 593900 Size: SH
  6. Remove the retainers that secure the step panel to the outer panel.
  7. Remove the step panel from the side outer panel.

    8. Object Number: 593891 Size: SH
  8. Remove the nuts that secure the forward and rear support brackets to the pickup box cross sills.

Installation Procedure

    Object Number: 593891 Size: SH
  1. Loosely install the front and rear support brackets onto the number 1 and number 2 cross sill studs using 2 nuts for each.

    2. Object Number: 593900 Size: SH
  2. Position the step panel over the brackets using the following steps:
    3. 2.1. Slide the step panel over the support brackets.
    2.2. Slide the step panel under the side outer panel.
  3. Install the rear step panel to the side outer panel using the 4 push-pin fasteners.

    4. Object Number: 593905 Size: SH
  4. Loosely install the 1 screw through the step panel into the forward support bracket.
  5. Loosely install the 1 screw through the top of the step into the rear support bracket.

    6. 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.

  6. Tighten the following fasteners in the specified order while pushing the forward and rear support brackets upward.

    7. Tighten

    1. Tighten the forward and rear support bracket stud nuts to 25 N·m (18.4 lb ft).
    2. Tighten the step panel to support bracket screws to 9.0 N·m (6.6 lb ft).

    Object Number: 593909 Size: SH
  7. Install the step pad to the step panel using the following steps:
    8. 7.1. Insert the locator pin on the pad into the hole in the panel.
    7.2. Press the retainer tabs on the pad into the holes in the panel.

    Object Number: 593916 Size: SH
  8. Install the forward brace to the forward support bracket using the 1 screw.

    9. Tighten
    Tighten the forward brace to forward support bracket screw to 9.0 N·m (6.6 lb ft).

  9. Install the forward brace to the step panel using the 1 screw.

    10. Tighten
    Tighten the screw to 9.0 N·m (6.6 lb ft).

  10. Install the rear brace to the rear bumper bracket and step panel using the 2 screws.

    11. Tighten
    Tighten the rear brace screws to 9.0 N·m (6.6 lb ft).