Chevrolet 2004 Venture Owner's Manual page 434

3. To remove the compact spare tire from the cable,
tilt the retainer at the end of the cable so it can be
pulled up through the wheel opening.
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4. If your vehicle is an AWD vehicle, after removing
the compact spare tire, turn the wrench clockwise
to raise the cable back up.
On an AWD vehicle, you can not store a full-size
tire under the vehicle. It should be stowed inside the
vehicle by the cable provided. See "Storing the
Flat Tire on an All-Wheel-Drive Vehicle" later in this
section.
If you have a front-wheel-drive vehicle, the hoist is
used to store a full-size or a flat road tire under
the vehicle. See "Storing the Spare Tire and Tools"
and "Storing the Flat Tire on a Front-Wheel Drive
Vehicle" later in this section.
If the compact spare tire will not lower, check under the
vehicle to see if the tire is hanging loose and the
cable end and spring under the wheel plate are missing.
If so, the secondary latch system is engaged. See
"Secondary Latch System" later in this section.
To continue changing the flat tire see "Removing the
Flat Tire and Installing the Spare Tire" later in this
section.