GMC 2007 Savana - Manual (Page 366)

Rear Flat: Assemble the jack (A) together with
the jack handle (B), jack handle extension (C)
and ratchet (D) as shown. Be sure that the
ratchet has the UP mark facing you. To
assemble the jack handle and jack handle
extension, use the art and text following.
Connect the jack handle (B) and jack handle
extension (C) together and press the retention
clip (arrow) so it engages.
Rear Position
366