I own a 2005 F-250 that has had repeated problems and Ford's only response is that we are sorry. The differentials limited slip has been a problem starting at 17K miles. The clutches are wearing out within 6K to 17K miles. Ford replaced the clutches 3 times under warranty (less than 35K miles), then the clutches failed again at 36K. Even with a history of failure, Ford would not pay a nickel to repair or replace the clutches. Now at 48K the problem is back and again with a history of 5 failures, Ford only answer is" have it repaired... read full review »