GMC 2013 Sierra Owner's Manual page 446

10-76 Vehicle Care
3. Use the wheel wrench and turn it
counterclockwise to loosen the
wheel nuts. Do not remove the
wheel nuts yet.
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 Model vehicles), 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.
I n f o r ma t i o n P r o v i d e d b y :
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.