2006 F250 6.0L 187k mi; unknown oil 6.3k mi; coolant leak?

[Chris142]

I try not too… My wife and I are together most of the time so we usually just drive her Expedition. But sometimes I have to drive it if we have separate schedules. At least that’s not often and is usually just around town.

I do not think you understand the amount of damage that can be done " just around town" can do.

 

[mattd]

Pull the water pump and check the timing cover for cavitation erosion into the oil pan

Stop driving this and figure out the source of the coolant intrusion before you toast the bearings

 

[Oilgeek24]

Probably oil cooler failure.