Eric, the leak just started. While working on a wiring issue I would run the engine for 10 minutes to not drain the batteries. I usually do this where it is parked, on somewhat level ground with no issues. When the leak started I had moved it to my driveway which is on an incline..would this do it. I have not added any fluid it doesn't look foamy and the steering wheel works fine, lock to lock. I wiped the cap and fill area. The cap seal looks ok and no rough spots on the fill opening. The cap looks like it is vented. I am gonna try bringing the it to a automative store and see if they can match it.
Thank you for the explanation on how the fan works. I had a Safari Trek before this one so hydraulic fans are new to me.