One problem related to power steering fluid has been reported for the 2008 Ford F-250. The most recently reported issues are listed below.
2008 Ford F-250 4-wd power steering. If you are on a muddy or icey road and start to lose control you cannot turn the steering wheel quick enough to regain control it's like the power steering belt broke. This was mentioned on the t. V. Show motor week so this is not just my truck doing this. This is one reason I traded my 2004 pickup. I didn't contact Ford motor CO. Or the dealer because they won't respond to my complaint about the tires made in mexico.