Clicking inside the steering column on the 1998 Plymouth Voyager sounds like a steering pump problem. It could also be that the steering box needs to be replaced. This should be looked at by a reputable mechanic as soon as possible.
The radiator fan on a 1998 Plymouth Voyager won't turn off if the engine is overheating or the temperature sensor is defective. The fan is designed to only work once the temperature has pass a certain threshold.