2014 Chevrolet Silverado 1500 Regular Cab Owner Manual - Page 450

10-86 Vehicle Care Front Position - 1500 Models 4. Position the jack under the vehicle, as shown. If the flat tire is on the front of the vehicle (1500 models), position the jack under the bracket attached to the vehicle's frame, behind the flat tire. Front Position - All Other Models Position the jack under the vehicle, as shown. If the flat tire is on the front of the vehicle (all other models), position the jack on the frame behind the flat tire. Rear Position - 1500 Models 5. If the flat tire is on the rear, for 1500 models position the jack under the rear axle about 5 cm (2 in) inboard of the shock absorber bracket.