Originally Posted by mountaineer
some trucks its earier to take the bed off and some aren't it depends on where its all located and whether or not you have a full tank of gas.
Yup, but another alternative is to remove all the bed bolts, lift it up slightly and place some pieces of wood 4x4s between the bed and the frame rails so that you have more room to work from underneath. This way you wouldn't have to disconnect as much stuff (wires and filler hoses) and you'd have room enough to work without having to drop the tank. However dropping the tank isn't that hard, especially the rear tank (if ya have the dual tanks like I do) just make sure that it's nearly empty or it'll be very heavy and awkward under the truck!