2013 Chevrolet Express 1500 Cargo Owner Manual - Page 319

Vehicle Care 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 with the jack location in the rear axle, such as in Diesel vehicles, place the jack (1) on the rear axle between the axle housing and the shock absorber bracket in order to avoid any interference with the exhaust pipe (2). 10-71 { WARNING Raising the vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit the jack lift head into the proper location before raising the vehicle. 5. 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 fit. Rear Position { WARNING Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. Rear Alternative Position (Diesel Vehicles)