2003 GMC Sierra 1500 Pickup Owner's Manual - Page 473

\06 3 2 7 / 8. Tighten the nuts firmly in a crisscross sequence as shown by turning the wheel wrench clockwise. Incorrect wheel nuts or improperly tigk ned wheel nuts can cause thewheel to come loose and even come off. This could lead toan accident. Be sure to use the correct wheel nuts. If you have to replace them, be sure to get new GM original equipment wheel nuts. Stop somewhere as soon as you can and have the nuts tightened with a torque wrench to the proper torque specification.See "Capacities and Specifications" in the Index for wheel nut torque specification. Notice: Improperly tightened wheel nuts can lead to brake pulsation and rotordamage. To avoid expensive brake repairs, evenly tighten the wheel nuts in the proper sequence and to the proper torque specification. See "Capacities and Specifications" in the index for the wheel nut torque specification. 5-98