2010 GMC Savana 2500 Cargo Owner's Manual - Page 344

To access the equipment, remove the retaining wing bolt and lift it out of the mounting bracket. The tools you will be using include the jack (A), jack handle (B), hoist extension (C), jack handle extension (D), and the wheel wrench (E). The spare tire is mounted in the rear underbody of the vehicle. You will use the hoist extension, the jack handle extensions and the wheel wrench to remove the underbody-mounted spare tire. 6-82