Ford 1997 Aerostar Manual page 215

2. Position the flat tire, valve stem up, under
the rear-most seat and over the "J" bolt
attaching bracket on the floor pan.
3. Insert the "J" hook bolt through the center of
the wheel and hook on bracket.
4. Install plate over "J" hook bolt and secure
with wing nut.
A Stowed position of "J" bolt, plate and wing nut
(Standard length model)
Flat tire stowage (Standard length model)
215