2009 Hummer H3T Owner's Manual - Page 309

Service and Appearance Care 5. Assemble the jack and tools as follows: along the bar that runs front to back. Turn the wheel wrench clockwise to raise the vehicle. Raise the vehicle far enough off the ground so there is enough room for the spare tire to clear the ground. 5-73 Front Position Front Tire Flat: If the flat tire is on a front tire of the vehicle, use the jack handle and both jack handle extensions. Attach the wheel wrench to the jack handle extensions. Attach the jack handle to the jack. From the front of the vehicle position the jack on the front lower control arm Rear Positions Refer to the graphic above to locate the placement of the jack if the flat tire is on the rear of the vehicle. Rear Tire Flat: Use the jack handle and both jack handle extensions. Attach the wheel wrench to the jack extensions. Attach the jack handle to the jack. From the rear of the vehicle align the jack under the rear axle. Turn the wheel wrench clockwise to raise the vehicle. Raise the vehicle far enough off the ground so there is enough room for the spare tire to clear the ground.