I have tried to figure out what seems loose in the front of my 84' S-10 pick-up and I think I finally found it. The front diff. has alot of up and down and in and out play. By the front diff. I mean the round "hub" that the cv half shaft bolts into with about 8 bolts. Am I right in thinking that there should be some in and out play to allow for the wheel to travel up and down. The front axle has the pumpkin set off to one side with an axle shaft connecting it to the cv shaft on one side and it seems to come right out of the pumpkin on the other side. That is the one that is really loose. Is there a bearing in this hub or does the whole axle have to be replaced as a unit.Thanks for any help in advance.