2004 Hummer H2 Owner's Manual - Page 403

11. Tighten the nuts firmly in a crisscross sequence as shown by turning the ratchet clockwise, with the UP mark facing you. {CAUTION: Incorrect wheel nuts or improperly tightened wheel nuts can cause the wheel to come loose and even come off. This could lead to an 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 rotor damage. 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. 12. When you install the wheel and tire, you must also reinstall the center cap. Place the cap on the wheel and tap it into place until it sits flush with the wheel. 5-89