Chevrolet 2003 Astro Owner's Manual page 294

4. Attach the ratchet to the extension with the UP side
5. Turn the ratchet clockwise. That will raise the jack
6. Position the jack under the vehicle.
facing you.
lift head a little.
I
c
B
Front Position
A. Front Jack Location
B. Jack
C. Ratchet and Extension
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