GMC 2004 Savana - Manual (Page 330)

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
5-84