Rust, It is time for a coolant flush.
Keep it in there, you will need it.
There is usually a drain valve on the bottom of the radiator, but taking the bottom hose off will do the trick.
The radiator drain plug on a 2001 Dodge Ram 3500 pickup truck with a 5.9 liter diesel engine is on the bottom inside corner of the radiator. It is on the driver's side.
It is under the housing that the upper radiator hose hooks to.
in front of radiator and behind auxillary trans cooler
drain and pull the old radiator out, slide the new one in and fill it up
Under the hood, on the driver side of the radiator.
Radiator fan speed not correct. Your fan clutch has failed.
Lower driver side of the radiator.
Follow the top radiator hose to the engine, the thermostat is under the fixture that the hose hooks into.
It's located on the driver's side of the engine about 3/4 back from the radiator.
Follow the upper radiator hose to the engine, it is under that housing.Follow the upper radiator hose to the engine, it is under that housing.