2010 GMC Savana 3500 Cargo Owner's Manual - Page 345

To lower the spare tire from the vehicle: A. B. C. D. E. Hoist Shaft Spare Tire Tire/Wheel Retainer F. Jack Handle and Hoist Extensions Hoist Cable G. Wheel Wrench Hoist Assembly 1. Assemble the wheel wrench (G) to one or two of the jack handle extensions and the hoist extension. Insert the hoist extension end through the hole in the rear bumper. 2. Be sure the hoist extension end connects to the hoist shaft (E). The chiseled end of the extension is used to lower the spare tire. 6-83