GMC 2009 Savana - Manual (Page 328)

4. Position the jack under the vehicle as shown.
The front position jacking point is on the frame.
The rear position jacking point is on the rear axle.
If the exhaust system interferes in the jack location
in the rear axle, such as in Diesel vehicles, place the
jack (A) on the rear axle between the axle housing
and the shock absorber bracket in order to avoid any
interference with the exhaust pipe (B).
Rear Position Rear Alternative Position (Diesel Vehicles)
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