2007 GMC Sierra 1500 Pickup Owner's Manual - Page 416

Adding a Snow Plow or Similar Equipment Before installing a snow plow on your vehicle, here are some things you will need to know: Notice: If your vehicle does not have the snow plow prep package, adding a plow can damage your vehicle, and the repairs would not be covered by warranty. Unless your vehicle was built to carry a snow plow, do not add one to your vehicle. If your vehicle has the snow plow prep package, called RPO VYU, then the payload your vehicle can carry will be reduced when a snow plow is installed. Your vehicle can be damaged if either the front or rear axle ratings or the Gross Vehicle Weight (GVW) are exceeded. Q: How do I know if my vehicle can handle a snow plow? A: Some vehicles are built with a special snow plow prep package, called RPO VYU. If your vehicle has this option, you can add a plow to it, provided certain weights, such as the weights on the vehicle's axles and the Gross Vehicle Weight (GVW), are not exceeded. Q: How heavy can a snow plow safely be? A: The plow your vehicle can carry depends on many things, such as: The options your vehicle came with, and the weight of those options. The weight and number of passengers you intend to carry. The weight of items you have added to your vehicle, like a tool box or truck cap. The total weight of any additional cargo you intend to carry. 416