2009 Dodge Ram 2500 Pickup Owner Manual - Page 364

362 STARTING AND OPERATING These cautions apply to all chain traction devices, including link and cable (radial) chains. Tire chain use is permitted only on the rear tires of 4X2 model trucks. NOTE: • The use of class "U" chains is permitted on the front and rear of 4X4, 2500 model trucks with LT245/ 70R17E tires. • The use of class "U" chains is permitted on the front and rear of 4X4, 3500 model trucks with Dual Rear Wheels and LT235/80R17E tires. • On 4X2 2500/3500 model trucks, class "U" snow chains are permitted on the rear wheels only of vehicles equipped with LT245/70R17, LT265/70R17, and LT235/80R17 size tires. • On 4x4 2500/3500 SRW (Single Rear Wheel) model trucks, class "U" snow chains are permitted on the rear wheels only of vehicles equipped with LT265/70R17E. CAUTION! Do not use tire chains on 4x4 model trucks equipped with P265/70R17, LT275/70R17, P275/60R20, tires. There may not be adequate clearance for the chains and you are risking structural or body damage to your vehicle. Do not use tire chains on the 4X2 front wheels of 2500/3500 SRW (Single Rear Wheels) equipped with LT245/70R17, LT265/70R17 LT235/ 80R17 tires, or 4X4 front wheels equipped with LT265/70R17E. There may not be adequate clearance for the chains and you are risking structural or body damage to your vehicle.