2008 GMC Sierra 1500 Pickup Owner's Manual - Page 298

Add-On Equipment When you carry removable items, you may need to put a limit on how many people you carry inside your vehicle. Be sure to weigh your vehicle before you buy and install the new equipment. Truck-Camper Loading Information Your vehicle was neither designed nor intended to carry a slide-in type camper. Notice: Adding a slide-in camper or similar equipment to your vehicle can damage it, and the repairs would not be covered by your warranty. Do not install a slide-in camper or similar equipment on your vehicle. Notice: Overloading your vehicle may cause damage. Repairs would not be covered by your warranty. Do not overload your vehicle. Remember not to exceed the Gross Axle Weight Rating (GAWR) of the front or rear axle. *Equipment Maximum Weight Ladder Rack 750 lbs (340 kg) and Cargo Cross Toolbox 400 lbs (181 kg) and Cargo Side Boxes 250 lbs per side and Cargo (113 kg per side) *The combined weight for all rail-mounted equipment should not exceed 1,000 lbs (454 kg). A reinforcement kit for rail-mounted add-on equipment is recommended. See your GM dealer. Pickup Conversion to Chassis Cab We are aware that some vehicle owners might consider having the pickup box removed and a commercial or recreational body installed. Owners should be aware that, as manufactured, there are differences between a chassis cab and a pickup with the box removed which could affect vehicle safety. The components necessary to adapt a pickup to permit its safe use with a specialized body should be installed by the body builder. 4-40