Installation Procedure
- Loosely install the front and rear support brackets onto the number 1 and number 2 cross sill studs using 2 nuts for each.
- Position the step panel over the brackets using the following steps:
- 2.1
Slide the step panel over the support brackets. - 2.2
Slide the step panel under the side outer panel.
- 2.1
- Install the rear step panel to the side outer panel using the 4 push-pin fasteners.
- Loosely install the 1 screw through the step panel into the forward support bracket.
- Loosely install the 1 screw through the top of the step into the rear support bracket.NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES article.
- Torque the following fasteners in the specified order while pushing the forward and rear support brackets upward.
Tighten
- 6.1
Tighten the forward and rear support bracket stud nuts to 25 N.m (18.4 lb ft). - 6.2
Tighten the step panel to support bracket screws to 9.0 N.m (6.6 lb ft).
- 6.1
- Install the step pad to the step panel using the following steps:
- 7.1
Insert the locator pin on the pad into the hole in the panel. - 7.2
Press the snap tabs on the pad into the holes in the panel.
- 7.1
- Install the forward brace to the forward support bracket using the 1 screw.
Tighten
Tighten the forward brace to forward support bracket screw to 9.0 N.m (6.6 lb ft).
- Install the forward brace to the step panel using the 1 screw.
Tighten
Tighten the screw to 9.0 N.m (6.6 lb ft).
- Install the rear brace to the rear bumper bracket and step panel using the 2 screws.
Tighten
Tighten the rear brace screws to 9.0 N.m (6.6 lb ft).