Chevrolet 2004 Express Van Owner's Manual page 329

The tools you'll be using include the jack (A), jack
handle extension (B), jack handle (C), wheel wrench (D)
and the ratchet (E).
Your spare tire is stored underneath the rear of your
vehicle. You will use the wheel wrench (D) and the
ratchet (E) to lower the spare tire.
The ratchet has a DOWN side and an UP side.
Put the flat chisel end of the wheel wrench on an angle
through the hole between the body and the bumper.
Be sure the flat end connects into the hoist shaft.
Attach the wheel wrench
and ratchet, with the
DOWN side facing you.
The wheel wrench
has a socket end and a
flat chisel end.
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