How do you change oil pan Ford E450 7.3 diesel?

To change the oil pan on a Ford E450 with a 7.3L diesel engine, first ensure the vehicle is on a level surface and securely elevated. Drain the engine oil by removing the oil drain plug and allow it to fully empty. Next, remove any components obstructing access to the oil pan, such as the exhaust or crossmember, then unbolt the oil pan and carefully detach it. Clean the mating surfaces, apply a new gasket or silicone sealant, and reassemble by reversing the disassembly steps, ensuring to refill with fresh oil afterward.