1. Disconnect the battery. This is important to prevent any electrical accidents while you are working on the fan.
2. Remove the air intake tube. This will give you more room to work on the fan.
3. Remove the fan shroud. There are four bolts that hold the fan shroud in place. Remove these bolts and lift the fan shroud off of the engine.
4. Remove the fan clutch. The fan clutch is held in place by four bolts. Remove these bolts and lift the fan clutch off of the engine.
5. Remove the fan blades. The fan blades are held in place by four bolts. Remove these bolts and lift the fan blades off of the engine.
6. Reinstall the fan blades, fan clutch, fan shroud, and air intake tube. Tighten all of the bolts that you removed.
7. Reconnect the battery.
Here are some additional tips for removing the cooling fan on a 2007 Dodge Ram 3500 Cummins:
* Make sure that you have the right tools for the job. You will need a wrench, a ratchet, and a socket set.
* Be careful not to damage the fan blades or the fan shroud.
* If you are uncomfortable working on your vehicle, you can always take it to a mechanic to have the cooling fan removed.