Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Remove the frame to the shield bolts.
Remove the shield from the vehicle. 15 Series is shown, 25 Series is similar.

Fig 1: Removing Frame To Shield Bolts
Courtesy of GENERAL MOTORS CORP.