After first 100, 1,000 and 6,000 miles
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Check dual wheel nut torque. For proper torque, refer to Fastener Tightening Specifications .