Installation Procedure

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.

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.

Fig 1: Installing Rear Section Of Assist Step Extension
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
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.
Tighten

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

Fig 2: Installing Screw To Left Rear Outer Edge Of Assist Step Extension
Courtesy of GENERAL MOTORS CORP.
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
Tighten

Tighten the screws to the right rear inner and outer wheel well to 2 N.m (18 lb in).
Install the front section of the assist step extension. Refer to ASSIST STEP PLATE REPLACEMENT .
Lower the vehicle.

Fig 3: Installing Screws To Right Rear Inner And Outer Wheel Well
Courtesy of GENERAL MOTORS CORP.